%I #14 Jan 27 2021 05:14:18

%S 1,2,3,4,5,6,7,8,9,10,12,14,15,16,18,20,21,24,27,28,30,35,36,40,42,45,

%T 48,54,56,60,63,70,72,80,84,90,105,108,112,120,126,135,140,144,168,

%U 180,189,210,216,240,252,270,280,315,336,360,378,420,432,504,540,560,630

%N Divisors of 15120.

%C 15120 is a highly composite number: A002182(22)=15120;

%C the sequence is finite with A002183(22)=80 terms: a(80)=15120.

%C 15120 is the smallest number with 80 divisors; 18480 is the next smallest; there are 84 such numbers less than 100,000. - _Harvey P. Dale_, Dec 17 2013

%H Reinhard Zumkeller, <a href="/A178861/b178861.txt">Table of n, a(n) for n = 1..80</a>

%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[15120] (* _Harvey P. Dale_, Dec 17 2013 *)

%o (PARI) A178861=divisors(15120) \\ _M. F. Hasler_, Feb 14 2013

%Y Cf. A018253, A018256, A018261, A018266, A018293, A018321, A018350, A018412, A018609, A018676, A178877, A178878, A165412, A178858, A178859, A178860, A178862, A178863, A178864.

%K fini,nonn,easy,full

%O 1,2

%A _Reinhard Zumkeller_, Jun 21 2010