81622020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1360367}}^1$

素因数の和:1360379

約数の個数: 24

約数和(自身を含む): 228541824

約数和(自身を除く): 146919804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1360367, 2720734, 4081101, 5441468, 6801835, 8162202, 13603670, 16324404, 20405505, 27207340, 40811010, 81622020]

約数ペア:

[(1, 81622020), (2, 40811010), (3, 27207340), (4, 20405505), (5, 16324404), (6, 13603670), (10, 8162202), (12, 6801835), (15, 5441468), (20, 4081101), (30, 2720734), (60, 1360367)]