81828420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1363807}}^1$

素因数の和:1363819

約数の個数: 24

約数和(自身を含む): 229119744

約数和(自身を除く): 147291324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1363807, 2727614, 4091421, 5455228, 6819035, 8182842, 13638070, 16365684, 20457105, 27276140, 40914210, 81828420]

約数ペア:

[(1, 81828420), (2, 40914210), (3, 27276140), (4, 20457105), (5, 16365684), (6, 13638070), (10, 8182842), (12, 6819035), (15, 5455228), (20, 4091421), (30, 2727614), (60, 1363807)]