12918870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 35498736

約数和(自身を除く): 22579866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 79, 90, 115, 138, 158, 207, 230, 237, 345, 395, 414, 474, 690, 711, 790, 1035, 1185, 1422, 1817, 2070, 2370, 3555, 3634, 5451, 6241, 7110, 9085, 10902, 12482, 16353, 18170, 18723, 27255, 31205, 32706, 37446, 54510, 56169, 62410, 81765, 93615, 112338, 143543, 163530, 187230, 280845, 287086, 430629, 561690, 717715, 861258, 1291887, 1435430, 2153145, 2583774, 4306290, 6459435, 12918870]

約数ペア:

[(1, 12918870), (2, 6459435), (3, 4306290), (5, 2583774), (6, 2153145), (9, 1435430), (10, 1291887), (15, 861258), (18, 717715), (23, 561690), (30, 430629), (45, 287086), (46, 280845), (69, 187230), (79, 163530), (90, 143543), (115, 112338), (138, 93615), (158, 81765), (207, 62410), (230, 56169), (237, 54510), (345, 37446), (395, 32706), (414, 31205), (474, 27255), (690, 18723), (711, 18170), (790, 16353), (1035, 12482), (1185, 10902), (1422, 9085), (1817, 7110), (2070, 6241), (2370, 5451), (3555, 3634)]