3947640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 12044160

約数和(自身を除く): 8096520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 491, 536, 670, 804, 982, 1005, 1340, 1473, 1608, 1964, 2010, 2455, 2680, 2946, 3928, 4020, 4910, 5892, 7365, 8040, 9820, 11784, 14730, 19640, 29460, 32897, 58920, 65794, 98691, 131588, 164485, 197382, 263176, 328970, 394764, 493455, 657940, 789528, 986910, 1315880, 1973820, 3947640]

約数ペア:

[(1, 3947640), (2, 1973820), (3, 1315880), (4, 986910), (5, 789528), (6, 657940), (8, 493455), (10, 394764), (12, 328970), (15, 263176), (20, 197382), (24, 164485), (30, 131588), (40, 98691), (60, 65794), (67, 58920), (120, 32897), (134, 29460), (201, 19640), (268, 14730), (335, 11784), (402, 9820), (491, 8040), (536, 7365), (670, 5892), (804, 4910), (982, 4020), (1005, 3928), (1340, 2946), (1473, 2680), (1608, 2455), (1964, 2010)]