221750040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1633

約数の個数: 128

約数和(自身を含む): 714769920

約数和(自身を除く): 493019880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 71, 85, 102, 120, 136, 142, 170, 204, 213, 255, 284, 340, 355, 408, 426, 510, 568, 680, 710, 852, 1020, 1065, 1207, 1420, 1531, 1704, 2040, 2130, 2414, 2840, 3062, 3621, 4260, 4593, 4828, 6035, 6124, 7242, 7655, 8520, 9186, 9656, 12070, 12248, 14484, 15310, 18105, 18372, 22965, 24140, 26027, 28968, 30620, 36210, 36744, 45930, 48280, 52054, 61240, 72420, 78081, 91860, 104108, 108701, 130135, 144840, 156162, 183720, 208216, 217402, 260270, 312324, 326103, 390405, 434804, 520540, 543505, 624648, 652206, 780810, 869608, 1041080, 1087010, 1304412, 1561620, 1630515, 1847917, 2174020, 2608824, 3123240, 3261030, 3695834, 4348040, 5543751, 6522060, 7391668, 9239585, 11087502, 13044120, 14783336, 18479170, 22175004, 27718755, 36958340, 44350008, 55437510, 73916680, 110875020, 221750040]

約数ペア:

[(1, 221750040), (2, 110875020), (3, 73916680), (4, 55437510), (5, 44350008), (6, 36958340), (8, 27718755), (10, 22175004), (12, 18479170), (15, 14783336), (17, 13044120), (20, 11087502), (24, 9239585), (30, 7391668), (34, 6522060), (40, 5543751), (51, 4348040), (60, 3695834), (68, 3261030), (71, 3123240), (85, 2608824), (102, 2174020), (120, 1847917), (136, 1630515), (142, 1561620), (170, 1304412), (204, 1087010), (213, 1041080), (255, 869608), (284, 780810), (340, 652206), (355, 624648), (408, 543505), (426, 520540), (510, 434804), (568, 390405), (680, 326103), (710, 312324), (852, 260270), (1020, 217402), (1065, 208216), (1207, 183720), (1420, 156162), (1531, 144840), (1704, 130135), (2040, 108701), (2130, 104108), (2414, 91860), (2840, 78081), (3062, 72420), (3621, 61240), (4260, 52054), (4593, 48280), (4828, 45930), (6035, 36744), (6124, 36210), (7242, 30620), (7655, 28968), (8520, 26027), (9186, 24140), (9656, 22965), (12070, 18372), (12248, 18105), (14484, 15310)]