257908080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1074617}}^1$

素因数の和:1074633

約数の個数: 40

約数和(自身を含む): 799515792

約数和(自身を除く): 541607712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1074617, 2149234, 3223851, 4298468, 5373085, 6447702, 8596936, 10746170, 12895404, 16119255, 17193872, 21492340, 25790808, 32238510, 42984680, 51581616, 64477020, 85969360, 128954040, 257908080]

約数ペア:

[(1, 257908080), (2, 128954040), (3, 85969360), (4, 64477020), (5, 51581616), (6, 42984680), (8, 32238510), (10, 25790808), (12, 21492340), (15, 17193872), (16, 16119255), (20, 12895404), (24, 10746170), (30, 8596936), (40, 6447702), (48, 5373085), (60, 4298468), (80, 3223851), (120, 2149234), (240, 1074617)]