81385860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1356431}}^1$

素因数の和:1356443

約数の個数: 24

約数和(自身を含む): 227880576

約数和(自身を除く): 146494716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1356431, 2712862, 4069293, 5425724, 6782155, 8138586, 13564310, 16277172, 20346465, 27128620, 40692930, 81385860]

約数ペア:

[(1, 81385860), (2, 40692930), (3, 27128620), (4, 20346465), (5, 16277172), (6, 13564310), (10, 8138586), (12, 6782155), (15, 5425724), (20, 4069293), (30, 2712862), (60, 1356431)]