12748740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{212479}}^1$

素因数の和:212491

約数の個数: 24

約数和(自身を含む): 35696640

約数和(自身を除く): 22947900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 212479, 424958, 637437, 849916, 1062395, 1274874, 2124790, 2549748, 3187185, 4249580, 6374370, 12748740]

約数ペア:

[(1, 12748740), (2, 6374370), (3, 4249580), (4, 3187185), (5, 2549748), (6, 2124790), (10, 1274874), (12, 1062395), (15, 849916), (20, 637437), (30, 424958), (60, 212479)]