68625940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 158441472

約数和(自身を除く): 89815532

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 340, 383, 527, 578, 620, 766, 1054, 1156, 1445, 1532, 1915, 2108, 2635, 2890, 3830, 5270, 5780, 6511, 7660, 8959, 10540, 11873, 13022, 17918, 23746, 26044, 32555, 35836, 44795, 47492, 59365, 65110, 89590, 110687, 118730, 130220, 179180, 201841, 221374, 237460, 403682, 442748, 553435, 807364, 1009205, 1106870, 2018410, 2213740, 3431297, 4036820, 6862594, 13725188, 17156485, 34312970, 68625940]

約数ペア:

[(1, 68625940), (2, 34312970), (4, 17156485), (5, 13725188), (10, 6862594), (17, 4036820), (20, 3431297), (31, 2213740), (34, 2018410), (62, 1106870), (68, 1009205), (85, 807364), (124, 553435), (155, 442748), (170, 403682), (289, 237460), (310, 221374), (340, 201841), (383, 179180), (527, 130220), (578, 118730), (620, 110687), (766, 89590), (1054, 65110), (1156, 59365), (1445, 47492), (1532, 44795), (1915, 35836), (2108, 32555), (2635, 26044), (2890, 23746), (3830, 17918), (5270, 13022), (5780, 11873), (6511, 10540), (7660, 8959)]