81682370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2467}}^1$

素因数の和:2535

約数の個数: 64

約数和(自身を含む): 187646976

約数和(自身を除く): 105964606

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 602, 770, 946, 1505, 2365, 2467, 3010, 3311, 4730, 4934, 6622, 12335, 16555, 17269, 24670, 27137, 33110, 34538, 54274, 86345, 106081, 135685, 172690, 189959, 212162, 271370, 379918, 530405, 742567, 949795, 1060810, 1166891, 1485134, 1899590, 2333782, 3712835, 5834455, 7425670, 8168237, 11668910, 16336474, 40841185, 81682370]

約数ペア:

[(1, 81682370), (2, 40841185), (5, 16336474), (7, 11668910), (10, 8168237), (11, 7425670), (14, 5834455), (22, 3712835), (35, 2333782), (43, 1899590), (55, 1485134), (70, 1166891), (77, 1060810), (86, 949795), (110, 742567), (154, 530405), (215, 379918), (301, 271370), (385, 212162), (430, 189959), (473, 172690), (602, 135685), (770, 106081), (946, 86345), (1505, 54274), (2365, 34538), (2467, 33110), (3010, 27137), (3311, 24670), (4730, 17269), (4934, 16555), (6622, 12335)]