A178861 Divisors of 15120.

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, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630

Offset: 1

Author

Reinhard Zumkeller, Jun 21 2010

Keywords

• fini
• nonn
• easy
• full

Comments

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

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

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

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..80
• Eric Weisstein's World of Mathematics, Highly Composite Number
• Index entries for sequences related to divisors of numbers

Crossrefs

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

Programs

Mathematica

Divisors[15120] (* Harvey P. Dale, Dec 17 2013 *)

PARI

A178861=divisors(15120)  \\ M. F. Hasler, Feb 14 2013