%I #15 Aug 10 2019 17:37:21

%S 1,2,3,4,5,6,7,8,9,10,11,12,14,15,18,20,21,22,24,28,30,33,35,36,40,42,

%T 44,45,55,56,60,63,66,70,72,77,84,88,90,99,105,110,120,126,132,140,

%U 154,165,168,180,198,210,220,231,252,264,280,308,315,330,360,385,396,420

%N Divisors of 27720.

%C 27720 is a highly composite number: A002182(25)=27720;

%C the sequence is finite with A002183(25)=96 terms: a(96)=27720.

%H R. Zumkeller, <a href="/A178864/b178864.txt">Table of n, a(n) for n = 1..96</a> (full sequence)

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HighlyCompositeNumber.html">Highly Composite Number</a>

%H <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a>

%t Divisors[27720] (* _Harvey P. Dale_, Aug 10 2019 *)

%o (PARI) divisors(27720) \\ _Charles R Greathouse IV_, Jun 21 2017

%Y Cf. A018253, A018256, A018261, A018266, A018293, A018321, A018350, A018412, A018609, A018676, A178877, A178878, A165412, A178858, A178859, A178860, A178861, A178862, A178863.

%K fini,full,nonn,easy

%O 1,2

%A _Reinhard Zumkeller_, Jun 21 2010