81041820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1350697}}^1$

素因数の和:1350709

約数の個数: 24

約数和(自身を含む): 226917264

約数和(自身を除く): 145875444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1350697, 2701394, 4052091, 5402788, 6753485, 8104182, 13506970, 16208364, 20260455, 27013940, 40520910, 81041820]

約数ペア:

[(1, 81041820), (2, 40520910), (3, 27013940), (4, 20260455), (5, 16208364), (6, 13506970), (10, 8104182), (12, 6753485), (15, 5402788), (20, 4052091), (30, 2701394), (60, 1350697)]