208977360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{870739}}^1$

素因数の和:870755

約数の個数: 40

約数和(自身を含む): 647830560

約数和(自身を除く): 438853200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 870739, 1741478, 2612217, 3482956, 4353695, 5224434, 6965912, 8707390, 10448868, 13061085, 13931824, 17414780, 20897736, 26122170, 34829560, 41795472, 52244340, 69659120, 104488680, 208977360]

約数ペア:

[(1, 208977360), (2, 104488680), (3, 69659120), (4, 52244340), (5, 41795472), (6, 34829560), (8, 26122170), (10, 20897736), (12, 17414780), (15, 13931824), (16, 13061085), (20, 10448868), (24, 8707390), (30, 6965912), (40, 5224434), (48, 4353695), (60, 3482956), (80, 2612217), (120, 1741478), (240, 870739)]