390480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1627}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 1211232

約数和(自身を除く): 820752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1627, 3254, 4881, 6508, 8135, 9762, 13016, 16270, 19524, 24405, 26032, 32540, 39048, 48810, 65080, 78096, 97620, 130160, 195240, 390480]

約数ペア:

[(1, 390480), (2, 195240), (3, 130160), (4, 97620), (5, 78096), (6, 65080), (8, 48810), (10, 39048), (12, 32540), (15, 26032), (16, 24405), (20, 19524), (24, 16270), (30, 13016), (40, 9762), (48, 8135), (60, 6508), (80, 4881), (120, 3254), (240, 1627)]