7437680

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 17409600

約数和(自身を除く): 9971920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 389, 478, 778, 956, 1195, 1556, 1912, 1945, 2390, 3112, 3824, 3890, 4780, 6224, 7780, 9560, 15560, 19120, 31120, 92971, 185942, 371884, 464855, 743768, 929710, 1487536, 1859420, 3718840, 7437680]

約数ペア:

[(1, 7437680), (2, 3718840), (4, 1859420), (5, 1487536), (8, 929710), (10, 743768), (16, 464855), (20, 371884), (40, 185942), (80, 92971), (239, 31120), (389, 19120), (478, 15560), (778, 9560), (956, 7780), (1195, 6224), (1556, 4780), (1912, 3890), (1945, 3824), (2390, 3112)]