30859760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22691}}^1$

素因数の和:22721

約数の個数: 40

約数和(自身を含む): 75972816

約数和(自身を除く): 45113056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22691, 45382, 90764, 113455, 181528, 226910, 363056, 385747, 453820, 771494, 907640, 1542988, 1815280, 1928735, 3085976, 3857470, 6171952, 7714940, 15429880, 30859760]

約数ペア:

[(1, 30859760), (2, 15429880), (4, 7714940), (5, 6171952), (8, 3857470), (10, 3085976), (16, 1928735), (17, 1815280), (20, 1542988), (34, 907640), (40, 771494), (68, 453820), (80, 385747), (85, 363056), (136, 226910), (170, 181528), (272, 113455), (340, 90764), (680, 45382), (1360, 22691)]