81490410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{905449}}^1$

素因数の和:905462

約数の個数: 24

約数和(自身を含む): 211875300

約数和(自身を除く): 130384890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 905449, 1810898, 2716347, 4527245, 5432694, 8149041, 9054490, 13581735, 16298082, 27163470, 40745205, 81490410]

約数ペア:

[(1, 81490410), (2, 40745205), (3, 27163470), (5, 16298082), (6, 13581735), (9, 9054490), (10, 8149041), (15, 5432694), (18, 4527245), (30, 2716347), (45, 1810898), (90, 905449)]