77412540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1290209}}^1$

素因数の和:1290221

約数の個数: 24

約数和(自身を含む): 216755280

約数和(自身を除く): 139342740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1290209, 2580418, 3870627, 5160836, 6451045, 7741254, 12902090, 15482508, 19353135, 25804180, 38706270, 77412540]

約数ペア:

[(1, 77412540), (2, 38706270), (3, 25804180), (4, 19353135), (5, 15482508), (6, 12902090), (10, 7741254), (12, 6451045), (15, 5160836), (20, 3870627), (30, 2580418), (60, 1290209)]