154651440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{644381}}^1$

素因数の和:644397

約数の個数: 40

約数和(自身を含む): 479420208

約数和(自身を除く): 324768768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 644381, 1288762, 1933143, 2577524, 3221905, 3866286, 5155048, 6443810, 7732572, 9665715, 10310096, 12887620, 15465144, 19331430, 25775240, 30930288, 38662860, 51550480, 77325720, 154651440]

約数ペア:

[(1, 154651440), (2, 77325720), (3, 51550480), (4, 38662860), (5, 30930288), (6, 25775240), (8, 19331430), (10, 15465144), (12, 12887620), (15, 10310096), (16, 9665715), (20, 7732572), (24, 6443810), (30, 5155048), (40, 3866286), (48, 3221905), (60, 2577524), (80, 1933143), (120, 1288762), (240, 644381)]