1440374680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{493279}}^1$

素因数の和:493363

約数の個数: 32

約数和(自身を含む): 3285244800

約数和(自身を除く): 1844870120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 493279, 986558, 1973116, 2466395, 3946232, 4932790, 9865580, 19731160, 36009367, 72018734, 144037468, 180046835, 288074936, 360093670, 720187340, 1440374680]

約数ペア:

[(1, 1440374680), (2, 720187340), (4, 360093670), (5, 288074936), (8, 180046835), (10, 144037468), (20, 72018734), (40, 36009367), (73, 19731160), (146, 9865580), (292, 4932790), (365, 3946232), (584, 2466395), (730, 1973116), (1460, 986558), (2920, 493279)]