81740940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1362349}}^1$

素因数の和:1362361

約数の個数: 24

約数和(自身を含む): 228874800

約数和(自身を除く): 147133860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1362349, 2724698, 4087047, 5449396, 6811745, 8174094, 13623490, 16348188, 20435235, 27246980, 40870470, 81740940]

約数ペア:

[(1, 81740940), (2, 40870470), (3, 27246980), (4, 20435235), (5, 16348188), (6, 13623490), (10, 8174094), (12, 6811745), (15, 5449396), (20, 4087047), (30, 2724698), (60, 1362349)]