68629520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 169602240

約数和(自身を除く): 100972720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 277, 304, 326, 380, 554, 652, 760, 815, 1108, 1304, 1385, 1520, 1630, 2216, 2608, 2770, 3097, 3260, 4432, 5263, 5540, 6194, 6520, 10526, 11080, 12388, 13040, 15485, 21052, 22160, 24776, 26315, 30970, 42104, 45151, 49552, 52630, 61940, 84208, 90302, 105260, 123880, 180604, 210520, 225755, 247760, 361208, 421040, 451510, 722416, 857869, 903020, 1715738, 1806040, 3431476, 3612080, 4289345, 6862952, 8578690, 13725904, 17157380, 34314760, 68629520]

約数ペア:

[(1, 68629520), (2, 34314760), (4, 17157380), (5, 13725904), (8, 8578690), (10, 6862952), (16, 4289345), (19, 3612080), (20, 3431476), (38, 1806040), (40, 1715738), (76, 903020), (80, 857869), (95, 722416), (152, 451510), (163, 421040), (190, 361208), (277, 247760), (304, 225755), (326, 210520), (380, 180604), (554, 123880), (652, 105260), (760, 90302), (815, 84208), (1108, 61940), (1304, 52630), (1385, 49552), (1520, 45151), (1630, 42104), (2216, 30970), (2608, 26315), (2770, 24776), (3097, 22160), (3260, 21052), (4432, 15485), (5263, 13040), (5540, 12388), (6194, 11080), (6520, 10526)]