31473780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40351}}^1$

素因数の和:40376

約数の個数: 48

約数和(自身を含む): 94907904

約数和(自身を除く): 63434124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40351, 80702, 121053, 161404, 201755, 242106, 403510, 484212, 524563, 605265, 807020, 1049126, 1210530, 1573689, 2098252, 2421060, 2622815, 3147378, 5245630, 6294756, 7868445, 10491260, 15736890, 31473780]

約数ペア:

[(1, 31473780), (2, 15736890), (3, 10491260), (4, 7868445), (5, 6294756), (6, 5245630), (10, 3147378), (12, 2622815), (13, 2421060), (15, 2098252), (20, 1573689), (26, 1210530), (30, 1049126), (39, 807020), (52, 605265), (60, 524563), (65, 484212), (78, 403510), (130, 242106), (156, 201755), (195, 161404), (260, 121053), (390, 80702), (780, 40351)]