30757720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109849}}^1$

素因数の和:109867

約数の個数: 32

約数和(自身を含む): 79092000

約数和(自身を除く): 48334280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109849, 219698, 439396, 549245, 768943, 878792, 1098490, 1537886, 2196980, 3075772, 3844715, 4393960, 6151544, 7689430, 15378860, 30757720]

約数ペア:

[(1, 30757720), (2, 15378860), (4, 7689430), (5, 6151544), (7, 4393960), (8, 3844715), (10, 3075772), (14, 2196980), (20, 1537886), (28, 1098490), (35, 878792), (40, 768943), (56, 549245), (70, 439396), (140, 219698), (280, 109849)]