12121480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43291}}^1$

素因数の和:43309

約数の個数: 32

約数和(自身を含む): 31170240

約数和(自身を除く): 19048760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43291, 86582, 173164, 216455, 303037, 346328, 432910, 606074, 865820, 1212148, 1515185, 1731640, 2424296, 3030370, 6060740, 12121480]

約数ペア:

[(1, 12121480), (2, 6060740), (4, 3030370), (5, 2424296), (7, 1731640), (8, 1515185), (10, 1212148), (14, 865820), (20, 606074), (28, 432910), (35, 346328), (40, 303037), (56, 216455), (70, 173164), (140, 86582), (280, 43291)]