2561340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{42689}}^1$

素因数の和:42701

約数の個数: 24

約数和(自身を含む): 7171920

約数和(自身を除く): 4610580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 42689, 85378, 128067, 170756, 213445, 256134, 426890, 512268, 640335, 853780, 1280670, 2561340]

約数ペア:

[(1, 2561340), (2, 1280670), (3, 853780), (4, 640335), (5, 512268), (6, 426890), (10, 256134), (12, 213445), (15, 170756), (20, 128067), (30, 85378), (60, 42689)]