1231480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1811}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 2935440

約数和(自身を除く): 1703960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1811, 3622, 7244, 9055, 14488, 18110, 30787, 36220, 61574, 72440, 123148, 153935, 246296, 307870, 615740, 1231480]

約数ペア:

[(1, 1231480), (2, 615740), (4, 307870), (5, 246296), (8, 153935), (10, 123148), (17, 72440), (20, 61574), (34, 36220), (40, 30787), (68, 18110), (85, 14488), (136, 9055), (170, 7244), (340, 3622), (680, 1811)]