1228740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{20479}}^1$

素因数の和:20491

約数の個数: 24

約数和(自身を含む): 3440640

約数和(自身を除く): 2211900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 20479, 40958, 61437, 81916, 102395, 122874, 204790, 245748, 307185, 409580, 614370, 1228740]

約数ペア:

[(1, 1228740), (2, 614370), (3, 409580), (4, 307185), (5, 245748), (6, 204790), (10, 122874), (12, 102395), (15, 81916), (20, 61437), (30, 40958), (60, 20479)]