81625020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1360417}}^1$

素因数の和:1360429

約数の個数: 24

約数和(自身を含む): 228550224

約数和(自身を除く): 146925204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1360417, 2720834, 4081251, 5441668, 6802085, 8162502, 13604170, 16325004, 20406255, 27208340, 40812510, 81625020]

約数ペア:

[(1, 81625020), (2, 40812510), (3, 27208340), (4, 20406255), (5, 16325004), (6, 13604170), (10, 8162502), (12, 6802085), (15, 5441668), (20, 4081251), (30, 2720834), (60, 1360417)]