68912880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287137}}^1$

素因数の和:287153

約数の個数: 40

約数和(自身を含む): 213630672

約数和(自身を除く): 144717792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287137, 574274, 861411, 1148548, 1435685, 1722822, 2297096, 2871370, 3445644, 4307055, 4594192, 5742740, 6891288, 8614110, 11485480, 13782576, 17228220, 22970960, 34456440, 68912880]

約数ペア:

[(1, 68912880), (2, 34456440), (3, 22970960), (4, 17228220), (5, 13782576), (6, 11485480), (8, 8614110), (10, 6891288), (12, 5742740), (15, 4594192), (16, 4307055), (20, 3445644), (24, 2871370), (30, 2297096), (40, 1722822), (48, 1435685), (60, 1148548), (80, 861411), (120, 574274), (240, 287137)]