12805740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71143}}^1$

素因数の和:71158

約数の個数: 36

約数和(自身を含む): 38844624

約数和(自身を除く): 26038884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71143, 142286, 213429, 284572, 355715, 426858, 640287, 711430, 853716, 1067145, 1280574, 1422860, 2134290, 2561148, 3201435, 4268580, 6402870, 12805740]

約数ペア:

[(1, 12805740), (2, 6402870), (3, 4268580), (4, 3201435), (5, 2561148), (6, 2134290), (9, 1422860), (10, 1280574), (12, 1067145), (15, 853716), (18, 711430), (20, 640287), (30, 426858), (36, 355715), (45, 284572), (60, 213429), (90, 142286), (180, 71143)]