12868740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23831}}^1$

素因数の和:23849

約数の個数: 48

約数和(自身を含む): 40037760

約数和(自身を除く): 27169020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 23831, 47662, 71493, 95324, 119155, 142986, 214479, 238310, 285972, 357465, 428958, 476620, 643437, 714930, 857916, 1072395, 1286874, 1429860, 2144790, 2573748, 3217185, 4289580, 6434370, 12868740]

約数ペア:

[(1, 12868740), (2, 6434370), (3, 4289580), (4, 3217185), (5, 2573748), (6, 2144790), (9, 1429860), (10, 1286874), (12, 1072395), (15, 857916), (18, 714930), (20, 643437), (27, 476620), (30, 428958), (36, 357465), (45, 285972), (54, 238310), (60, 214479), (90, 142986), (108, 119155), (135, 95324), (180, 71493), (270, 47662), (540, 23831)]