12879120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 40390272

約数和(自身を除く): 27511152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 521, 618, 824, 1030, 1042, 1236, 1545, 1563, 1648, 2060, 2084, 2472, 2605, 3090, 3126, 4120, 4168, 4944, 5210, 6180, 6252, 7815, 8240, 8336, 10420, 12360, 12504, 15630, 20840, 24720, 25008, 31260, 41680, 53663, 62520, 107326, 125040, 160989, 214652, 268315, 321978, 429304, 536630, 643956, 804945, 858608, 1073260, 1287912, 1609890, 2146520, 2575824, 3219780, 4293040, 6439560, 12879120]

約数ペア:

[(1, 12879120), (2, 6439560), (3, 4293040), (4, 3219780), (5, 2575824), (6, 2146520), (8, 1609890), (10, 1287912), (12, 1073260), (15, 858608), (16, 804945), (20, 643956), (24, 536630), (30, 429304), (40, 321978), (48, 268315), (60, 214652), (80, 160989), (103, 125040), (120, 107326), (206, 62520), (240, 53663), (309, 41680), (412, 31260), (515, 25008), (521, 24720), (618, 20840), (824, 15630), (1030, 12504), (1042, 12360), (1236, 10420), (1545, 8336), (1563, 8240), (1648, 7815), (2060, 6252), (2084, 6180), (2472, 5210), (2605, 4944), (3090, 4168), (3126, 4120)]