2561820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{42697}}^1$

素因数の和:42709

約数の個数: 24

約数和(自身を含む): 7173264

約数和(自身を除く): 4611444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 42697, 85394, 128091, 170788, 213485, 256182, 426970, 512364, 640455, 853940, 1280910, 2561820]

約数ペア:

[(1, 2561820), (2, 1280910), (3, 853940), (4, 640455), (5, 512364), (6, 426970), (10, 256182), (12, 213485), (15, 170788), (20, 128091), (30, 85394), (60, 42697)]