255240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{709}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 830700

約数和(自身を除く): 575460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 709, 1418, 2127, 2836, 3545, 4254, 5672, 6381, 7090, 8508, 10635, 12762, 14180, 17016, 21270, 25524, 28360, 31905, 42540, 51048, 63810, 85080, 127620, 255240]

約数ペア:

[(1, 255240), (2, 127620), (3, 85080), (4, 63810), (5, 51048), (6, 42540), (8, 31905), (9, 28360), (10, 25524), (12, 21270), (15, 17016), (18, 14180), (20, 12762), (24, 10635), (30, 8508), (36, 7090), (40, 6381), (45, 5672), (60, 4254), (72, 3545), (90, 2836), (120, 2127), (180, 1418), (360, 709)]