1728280

素因数分解:

$2^3\times 5^1\times {\mathrm{43207}}^1$

素因数の和:43218

約数の個数: 16

約数和(自身を含む): 3888720

約数和(自身を除く): 2160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43207, 86414, 172828, 216035, 345656, 432070, 864140, 1728280]

約数ペア:

[(1, 1728280), (2, 864140), (4, 432070), (5, 345656), (8, 216035), (10, 172828), (20, 86414), (40, 43207)]