15901980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5639}}^1$

素因数の和:5698

約数の個数: 48

約数和(自身を含む): 45480960

約数和(自身を除く): 29578980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 5639, 11278, 16917, 22556, 28195, 33834, 56390, 67668, 84585, 112780, 169170, 265033, 338340, 530066, 795099, 1060132, 1325165, 1590198, 2650330, 3180396, 3975495, 5300660, 7950990, 15901980]

約数ペア:

[(1, 15901980), (2, 7950990), (3, 5300660), (4, 3975495), (5, 3180396), (6, 2650330), (10, 1590198), (12, 1325165), (15, 1060132), (20, 795099), (30, 530066), (47, 338340), (60, 265033), (94, 169170), (141, 112780), (188, 84585), (235, 67668), (282, 56390), (470, 33834), (564, 28195), (705, 22556), (940, 16917), (1410, 11278), (2820, 5639)]