257551260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4292521}}^1$

素因数の和:4292533

約数の個数: 24

約数和(自身を含む): 721143696

約数和(自身を除く): 463592436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4292521, 8585042, 12877563, 17170084, 21462605, 25755126, 42925210, 51510252, 64387815, 85850420, 128775630, 257551260]

約数ペア:

[(1, 257551260), (2, 128775630), (3, 85850420), (4, 64387815), (5, 51510252), (6, 42925210), (10, 25755126), (12, 21462605), (15, 17170084), (20, 12877563), (30, 8585042), (60, 4292521)]