1557281640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{12977347}}^1$

素因数の和:12977361

約数の個数: 32

約数和(自身を含む): 4671845280

約数和(自身を除く): 3114563640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 12977347, 25954694, 38932041, 51909388, 64886735, 77864082, 103818776, 129773470, 155728164, 194660205, 259546940, 311456328, 389320410, 519093880, 778640820, 1557281640]

約数ペア:

[(1, 1557281640), (2, 778640820), (3, 519093880), (4, 389320410), (5, 311456328), (6, 259546940), (8, 194660205), (10, 155728164), (12, 129773470), (15, 103818776), (20, 77864082), (24, 64886735), (30, 51909388), (40, 38932041), (60, 25954694), (120, 12977347)]