1230394960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{496127}}^1$

素因数の和:496171

約数の個数: 40

約数和(自身を含む): 2952953856

約数和(自身を除く): 1722558896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 496127, 992254, 1984508, 2480635, 3969016, 4961270, 7938032, 9922540, 15379937, 19845080, 30759874, 39690160, 61519748, 76899685, 123039496, 153799370, 246078992, 307598740, 615197480, 1230394960]

約数ペア:

[(1, 1230394960), (2, 615197480), (4, 307598740), (5, 246078992), (8, 153799370), (10, 123039496), (16, 76899685), (20, 61519748), (31, 39690160), (40, 30759874), (62, 19845080), (80, 15379937), (124, 9922540), (155, 7938032), (248, 4961270), (310, 3969016), (496, 2480635), (620, 1984508), (1240, 992254), (2480, 496127)]