81287160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12781}}^1$

素因数の和:12848

約数の個数: 64

約数和(自身を含む): 248482080

約数和(自身を除く): 167194920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 12781, 25562, 38343, 51124, 63905, 76686, 102248, 127810, 153372, 191715, 255620, 306744, 383430, 511240, 677393, 766860, 1354786, 1533720, 2032179, 2709572, 3386965, 4064358, 5419144, 6773930, 8128716, 10160895, 13547860, 16257432, 20321790, 27095720, 40643580, 81287160]

約数ペア:

[(1, 81287160), (2, 40643580), (3, 27095720), (4, 20321790), (5, 16257432), (6, 13547860), (8, 10160895), (10, 8128716), (12, 6773930), (15, 5419144), (20, 4064358), (24, 3386965), (30, 2709572), (40, 2032179), (53, 1533720), (60, 1354786), (106, 766860), (120, 677393), (159, 511240), (212, 383430), (265, 306744), (318, 255620), (424, 191715), (530, 153372), (636, 127810), (795, 102248), (1060, 76686), (1272, 63905), (1590, 51124), (2120, 38343), (3180, 25562), (6360, 12781)]