90332840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 237081600

約数和(自身を除く): 146748760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 41, 52, 65, 76, 82, 95, 104, 130, 152, 164, 190, 205, 223, 247, 260, 328, 380, 410, 446, 494, 520, 533, 760, 779, 820, 892, 988, 1066, 1115, 1235, 1558, 1640, 1784, 1976, 2132, 2230, 2470, 2665, 2899, 3116, 3895, 4237, 4264, 4460, 4940, 5330, 5798, 6232, 7790, 8474, 8920, 9143, 9880, 10127, 10660, 11596, 14495, 15580, 16948, 18286, 20254, 21185, 21320, 23192, 28990, 31160, 33896, 36572, 40508, 42370, 45715, 50635, 55081, 57980, 73144, 81016, 84740, 91430, 101270, 110162, 115960, 118859, 169480, 173717, 182860, 202540, 220324, 237718, 275405, 347434, 365720, 405080, 440648, 475436, 550810, 594295, 694868, 868585, 950872, 1101620, 1188590, 1389736, 1737170, 2203240, 2258321, 2377180, 3474340, 4516642, 4754360, 6948680, 9033284, 11291605, 18066568, 22583210, 45166420, 90332840]

約数ペア:

[(1, 90332840), (2, 45166420), (4, 22583210), (5, 18066568), (8, 11291605), (10, 9033284), (13, 6948680), (19, 4754360), (20, 4516642), (26, 3474340), (38, 2377180), (40, 2258321), (41, 2203240), (52, 1737170), (65, 1389736), (76, 1188590), (82, 1101620), (95, 950872), (104, 868585), (130, 694868), (152, 594295), (164, 550810), (190, 475436), (205, 440648), (223, 405080), (247, 365720), (260, 347434), (328, 275405), (380, 237718), (410, 220324), (446, 202540), (494, 182860), (520, 173717), (533, 169480), (760, 118859), (779, 115960), (820, 110162), (892, 101270), (988, 91430), (1066, 84740), (1115, 81016), (1235, 73144), (1558, 57980), (1640, 55081), (1784, 50635), (1976, 45715), (2132, 42370), (2230, 40508), (2470, 36572), (2665, 33896), (2899, 31160), (3116, 28990), (3895, 23192), (4237, 21320), (4264, 21185), (4460, 20254), (4940, 18286), (5330, 16948), (5798, 15580), (6232, 14495), (7790, 11596), (8474, 10660), (8920, 10127), (9143, 9880)]