256097220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4268287}}^1$

素因数の和:4268299

約数の個数: 24

約数和(自身を含む): 717072384

約数和(自身を除く): 460975164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4268287, 8536574, 12804861, 17073148, 21341435, 25609722, 42682870, 51219444, 64024305, 85365740, 128048610, 256097220]

約数ペア:

[(1, 256097220), (2, 128048610), (3, 85365740), (4, 64024305), (5, 51219444), (6, 42682870), (10, 25609722), (12, 21341435), (15, 17073148), (20, 12804861), (30, 8536574), (60, 4268287)]