30654840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{255457}}^1$

素因数の和:255471

約数の個数: 32

約数和(自身を含む): 91964880

約数和(自身を除く): 61310040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 255457, 510914, 766371, 1021828, 1277285, 1532742, 2043656, 2554570, 3065484, 3831855, 5109140, 6130968, 7663710, 10218280, 15327420, 30654840]

約数ペア:

[(1, 30654840), (2, 15327420), (3, 10218280), (4, 7663710), (5, 6130968), (6, 5109140), (8, 3831855), (10, 3065484), (12, 2554570), (15, 2043656), (20, 1532742), (24, 1277285), (30, 1021828), (40, 766371), (60, 510914), (120, 255457)]