81404010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{904489}}^1$

素因数の和:904502

約数の個数: 24

約数和(自身を含む): 211650660

約数和(自身を除く): 130246650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 904489, 1808978, 2713467, 4522445, 5426934, 8140401, 9044890, 13567335, 16280802, 27134670, 40702005, 81404010]

約数ペア:

[(1, 81404010), (2, 40702005), (3, 27134670), (5, 16280802), (6, 13567335), (9, 9044890), (10, 8140401), (15, 5426934), (18, 4522445), (30, 2713467), (45, 1808978), (90, 904489)]