68912240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{45337}}^1$

素因数の和:45369

約数の個数: 40

約数和(自身を含む): 168657360

約数和(自身を除く): 99745120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 45337, 90674, 181348, 226685, 362696, 453370, 725392, 861403, 906740, 1722806, 1813480, 3445612, 3626960, 4307015, 6891224, 8614030, 13782448, 17228060, 34456120, 68912240]

約数ペア:

[(1, 68912240), (2, 34456120), (4, 17228060), (5, 13782448), (8, 8614030), (10, 6891224), (16, 4307015), (19, 3626960), (20, 3445612), (38, 1813480), (40, 1722806), (76, 906740), (80, 861403), (95, 725392), (152, 453370), (190, 362696), (304, 226685), (380, 181348), (760, 90674), (1520, 45337)]