257430480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1072627}}^1$

素因数の和:1072643

約数の個数: 40

約数和(自身を含む): 798035232

約数和(自身を除く): 540604752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1072627, 2145254, 3217881, 4290508, 5363135, 6435762, 8581016, 10726270, 12871524, 16089405, 17162032, 21452540, 25743048, 32178810, 42905080, 51486096, 64357620, 85810160, 128715240, 257430480]

約数ペア:

[(1, 257430480), (2, 128715240), (3, 85810160), (4, 64357620), (5, 51486096), (6, 42905080), (8, 32178810), (10, 25743048), (12, 21452540), (15, 17162032), (16, 16089405), (20, 12871524), (24, 10726270), (30, 8581016), (40, 6435762), (48, 5363135), (60, 4290508), (80, 3217881), (120, 2145254), (240, 1072627)]