A018266 - OEIS

A018266

Divisors of 60.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

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OFFSET

1,2

COMMENTS

Sequence is finite with last term a(12) = 60; A000005(60) = 12. - Reinhard Zumkeller, Dec 08 2009.

60 is a highly composite number: A002182(9) = 60. - Reinhard Zumkeller, Jun 21 2010

There are 35 ways to partition 60 as a sum of its distinct divisors (see A033630). This is more than any smaller number (hence 60 is listed in A065218). - Alonso del Arte, Oct 12 2017

LINKS

Table of n, a(n) for n=1..12.

Index entries for sequences related to divisors of numbers

FORMULA

a(n) = n + floor((n-1)/6)*(60/(13-n)-n). - Aaron J Grech, Aug 11 2024

MATHEMATICA

Divisors[60] (* Vladimir Joseph Stephan Orlovsky, Dec 21 2008 *)

PROG

(PARI) divisors(60)

CROSSREFS

Cf. A035303, A171425. - Reinhard Zumkeller, Dec 08 2009

Cf. A018253, A018256, A018261, A018293, A018321, A018350, A018412, A018609, A018676, A178877, A178878, A165412, A178858, A178859, A178860, A178861, A178862, A178863, A178864. - Reinhard Zumkeller, Jun 21 2010

Sequence in context: A018382 A348654 A353385 * A344826 A128945 A318533

Adjacent sequences: A018263 A018264 A018265 * A018267 A018268 A018269

KEYWORD

nonn,fini,full,easy

AUTHOR

N. J. A. Sloane

STATUS

approved