257260440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2143837}}^1$

素因数の和:2143851

約数の個数: 32

約数和(自身を含む): 771781680

約数和(自身を除く): 514521240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2143837, 4287674, 6431511, 8575348, 10719185, 12863022, 17150696, 21438370, 25726044, 32157555, 42876740, 51452088, 64315110, 85753480, 128630220, 257260440]

約数ペア:

[(1, 257260440), (2, 128630220), (3, 85753480), (4, 64315110), (5, 51452088), (6, 42876740), (8, 32157555), (10, 25726044), (12, 21438370), (15, 17150696), (20, 12863022), (24, 10719185), (30, 8575348), (40, 6431511), (60, 4287674), (120, 2143837)]