257263620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4287727}}^1$

素因数の和:4287739

約数の個数: 24

約数和(自身を含む): 720338304

約数和(自身を除く): 463074684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4287727, 8575454, 12863181, 17150908, 21438635, 25726362, 42877270, 51452724, 64315905, 85754540, 128631810, 257263620]

約数ペア:

[(1, 257263620), (2, 128631810), (3, 85754540), (4, 64315905), (5, 51452724), (6, 42877270), (10, 25726362), (12, 21438635), (15, 17150908), (20, 12863181), (30, 8575454), (60, 4287727)]