71268760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{337}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 170838720

約数和(自身を除く): 99569960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 311, 337, 340, 622, 674, 680, 1244, 1348, 1555, 1685, 2488, 2696, 3110, 3370, 5287, 5729, 6220, 6740, 10574, 11458, 12440, 13480, 21148, 22916, 26435, 28645, 42296, 45832, 52870, 57290, 104807, 105740, 114580, 209614, 211480, 229160, 419228, 524035, 838456, 1048070, 1781719, 2096140, 3563438, 4192280, 7126876, 8908595, 14253752, 17817190, 35634380, 71268760]

約数ペア:

[(1, 71268760), (2, 35634380), (4, 17817190), (5, 14253752), (8, 8908595), (10, 7126876), (17, 4192280), (20, 3563438), (34, 2096140), (40, 1781719), (68, 1048070), (85, 838456), (136, 524035), (170, 419228), (311, 229160), (337, 211480), (340, 209614), (622, 114580), (674, 105740), (680, 104807), (1244, 57290), (1348, 52870), (1555, 45832), (1685, 42296), (2488, 28645), (2696, 26435), (3110, 22916), (3370, 21148), (5287, 13480), (5729, 12440), (6220, 11458), (6740, 10574)]