90137840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 232819920

約数和(自身を除く): 142682080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 113, 118, 130, 169, 208, 226, 236, 260, 295, 338, 452, 472, 520, 565, 590, 676, 767, 845, 904, 944, 1040, 1130, 1180, 1352, 1469, 1534, 1690, 1808, 2260, 2360, 2704, 2938, 3068, 3380, 3835, 4520, 4720, 5876, 6136, 6667, 6760, 7345, 7670, 9040, 9971, 11752, 12272, 13334, 13520, 14690, 15340, 19097, 19942, 23504, 26668, 29380, 30680, 33335, 38194, 39884, 49855, 53336, 58760, 61360, 66670, 76388, 79768, 86671, 95485, 99710, 106672, 117520, 133340, 152776, 159536, 173342, 190970, 199420, 266680, 305552, 346684, 381940, 398840, 433355, 533360, 693368, 763880, 797680, 866710, 1126723, 1386736, 1527760, 1733420, 2253446, 3466840, 4506892, 5633615, 6933680, 9013784, 11267230, 18027568, 22534460, 45068920, 90137840]

約数ペア:

[(1, 90137840), (2, 45068920), (4, 22534460), (5, 18027568), (8, 11267230), (10, 9013784), (13, 6933680), (16, 5633615), (20, 4506892), (26, 3466840), (40, 2253446), (52, 1733420), (59, 1527760), (65, 1386736), (80, 1126723), (104, 866710), (113, 797680), (118, 763880), (130, 693368), (169, 533360), (208, 433355), (226, 398840), (236, 381940), (260, 346684), (295, 305552), (338, 266680), (452, 199420), (472, 190970), (520, 173342), (565, 159536), (590, 152776), (676, 133340), (767, 117520), (845, 106672), (904, 99710), (944, 95485), (1040, 86671), (1130, 79768), (1180, 76388), (1352, 66670), (1469, 61360), (1534, 58760), (1690, 53336), (1808, 49855), (2260, 39884), (2360, 38194), (2704, 33335), (2938, 30680), (3068, 29380), (3380, 26668), (3835, 23504), (4520, 19942), (4720, 19097), (5876, 15340), (6136, 14690), (6667, 13520), (6760, 13334), (7345, 12272), (7670, 11752), (9040, 9971)]