31806040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3917}}^1$

素因数の和:3964

約数の個数: 64

約数和(自身を含む): 84628800

約数和(自身を除く): 52822760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3917, 4060, 7834, 8120, 15668, 19585, 27419, 31336, 39170, 54838, 78340, 109676, 113593, 137095, 156680, 219352, 227186, 274190, 454372, 548380, 567965, 795151, 908744, 1096760, 1135930, 1590302, 2271860, 3180604, 3975755, 4543720, 6361208, 7951510, 15903020, 31806040]

約数ペア:

[(1, 31806040), (2, 15903020), (4, 7951510), (5, 6361208), (7, 4543720), (8, 3975755), (10, 3180604), (14, 2271860), (20, 1590302), (28, 1135930), (29, 1096760), (35, 908744), (40, 795151), (56, 567965), (58, 548380), (70, 454372), (116, 274190), (140, 227186), (145, 219352), (203, 156680), (232, 137095), (280, 113593), (290, 109676), (406, 78340), (580, 54838), (812, 39170), (1015, 31336), (1160, 27419), (1624, 19585), (2030, 15668), (3917, 8120), (4060, 7834)]