207720160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68329}}^1$

素因数の和:68363

約数の個数: 48

約数和(自身を含む): 516574800

約数和(自身を除く): 308854640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 68329, 136658, 273316, 341645, 546632, 683290, 1093264, 1298251, 1366580, 2186528, 2596502, 2733160, 5193004, 5466320, 6491255, 10386008, 10932640, 12982510, 20772016, 25965020, 41544032, 51930040, 103860080, 207720160]

約数ペア:

[(1, 207720160), (2, 103860080), (4, 51930040), (5, 41544032), (8, 25965020), (10, 20772016), (16, 12982510), (19, 10932640), (20, 10386008), (32, 6491255), (38, 5466320), (40, 5193004), (76, 2733160), (80, 2596502), (95, 2186528), (152, 1366580), (160, 1298251), (190, 1093264), (304, 683290), (380, 546632), (608, 341645), (760, 273316), (1520, 136658), (3040, 68329)]