18808080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78367}}^1$

素因数の和:78383

約数の個数: 40

約数和(自身を含む): 58305792

約数和(自身を除く): 39497712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78367, 156734, 235101, 313468, 391835, 470202, 626936, 783670, 940404, 1175505, 1253872, 1567340, 1880808, 2351010, 3134680, 3761616, 4702020, 6269360, 9404040, 18808080]

約数ペア:

[(1, 18808080), (2, 9404040), (3, 6269360), (4, 4702020), (5, 3761616), (6, 3134680), (8, 2351010), (10, 1880808), (12, 1567340), (15, 1253872), (16, 1175505), (20, 940404), (24, 783670), (30, 626936), (40, 470202), (48, 391835), (60, 313468), (80, 235101), (120, 156734), (240, 78367)]