138630480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{577627}}^1$

素因数の和:577643

約数の個数: 40

約数和(自身を含む): 429755232

約数和(自身を除く): 291124752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 577627, 1155254, 1732881, 2310508, 2888135, 3465762, 4621016, 5776270, 6931524, 8664405, 9242032, 11552540, 13863048, 17328810, 23105080, 27726096, 34657620, 46210160, 69315240, 138630480]

約数ペア:

[(1, 138630480), (2, 69315240), (3, 46210160), (4, 34657620), (5, 27726096), (6, 23105080), (8, 17328810), (10, 13863048), (12, 11552540), (15, 9242032), (16, 8664405), (20, 6931524), (24, 5776270), (30, 4621016), (40, 3465762), (48, 2888135), (60, 2310508), (80, 1732881), (120, 1155254), (240, 577627)]