15989360

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{743}}^1$

素因数の和:1025

約数の個数: 40

約数和(自身を含む): 37363680

約数和(自身を除く): 21374320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 743, 1076, 1345, 1486, 2152, 2690, 2972, 3715, 4304, 5380, 5944, 7430, 10760, 11888, 14860, 21520, 29720, 59440, 199867, 399734, 799468, 999335, 1598936, 1998670, 3197872, 3997340, 7994680, 15989360]

約数ペア:

[(1, 15989360), (2, 7994680), (4, 3997340), (5, 3197872), (8, 1998670), (10, 1598936), (16, 999335), (20, 799468), (40, 399734), (80, 199867), (269, 59440), (538, 29720), (743, 21520), (1076, 14860), (1345, 11888), (1486, 10760), (2152, 7430), (2690, 5944), (2972, 5380), (3715, 4304)]