77325720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{644381}}^1$

素因数の和:644395

約数の個数: 32

約数和(自身を含む): 231977520

約数和(自身を除く): 154651800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 644381, 1288762, 1933143, 2577524, 3221905, 3866286, 5155048, 6443810, 7732572, 9665715, 12887620, 15465144, 19331430, 25775240, 38662860, 77325720]

約数ペア:

[(1, 77325720), (2, 38662860), (3, 25775240), (4, 19331430), (5, 15465144), (6, 12887620), (8, 9665715), (10, 7732572), (12, 6443810), (15, 5155048), (20, 3866286), (24, 3221905), (30, 2577524), (40, 1933143), (60, 1288762), (120, 644381)]