15971580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{9859}}^1$

素因数の和:9880

約数の個数: 60

約数和(自身を含む): 50108520

約数和(自身を除く): 34136940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 9859, 19718, 29577, 39436, 49295, 59154, 88731, 98590, 118308, 147885, 177462, 197180, 266193, 295770, 354924, 443655, 532386, 591540, 798579, 887310, 1064772, 1330965, 1597158, 1774620, 2661930, 3194316, 3992895, 5323860, 7985790, 15971580]

約数ペア:

[(1, 15971580), (2, 7985790), (3, 5323860), (4, 3992895), (5, 3194316), (6, 2661930), (9, 1774620), (10, 1597158), (12, 1330965), (15, 1064772), (18, 887310), (20, 798579), (27, 591540), (30, 532386), (36, 443655), (45, 354924), (54, 295770), (60, 266193), (81, 197180), (90, 177462), (108, 147885), (135, 118308), (162, 98590), (180, 88731), (270, 59154), (324, 49295), (405, 39436), (540, 29577), (810, 19718), (1620, 9859)]