67280120

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1667}}^1$

素因数の和:2687

約数の個数: 32

約数和(自身を含む): 151621200

約数和(自身を除く): 84341080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 1667, 2018, 3334, 4036, 5045, 6668, 8072, 8335, 10090, 13336, 16670, 20180, 33340, 40360, 66680, 1682003, 3364006, 6728012, 8410015, 13456024, 16820030, 33640060, 67280120]

約数ペア:

[(1, 67280120), (2, 33640060), (4, 16820030), (5, 13456024), (8, 8410015), (10, 6728012), (20, 3364006), (40, 1682003), (1009, 66680), (1667, 40360), (2018, 33340), (3334, 20180), (4036, 16670), (5045, 13336), (6668, 10090), (8072, 8335)]