81620730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{302299}}^1$

素因数の和:302315

約数の個数: 32

約数和(自身を含む): 217656000

約数和(自身を除く): 136035270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 302299, 604598, 906897, 1511495, 1813794, 2720691, 3022990, 4534485, 5441382, 8162073, 9068970, 13603455, 16324146, 27206910, 40810365, 81620730]

約数ペア:

[(1, 81620730), (2, 40810365), (3, 27206910), (5, 16324146), (6, 13603455), (9, 9068970), (10, 8162073), (15, 5441382), (18, 4534485), (27, 3022990), (30, 2720691), (45, 1813794), (54, 1511495), (90, 906897), (135, 604598), (270, 302299)]