68941040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 120

約数和(自身を含む): 191260080

約数和(自身を除く): 122319040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 196, 215, 245, 280, 301, 344, 392, 409, 430, 490, 560, 602, 688, 784, 818, 860, 980, 1204, 1505, 1636, 1720, 1960, 2045, 2107, 2408, 2863, 3010, 3272, 3440, 3920, 4090, 4214, 4816, 5726, 6020, 6544, 8180, 8428, 10535, 11452, 12040, 14315, 16360, 16856, 17587, 20041, 21070, 22904, 24080, 28630, 32720, 33712, 35174, 40082, 42140, 45808, 57260, 70348, 80164, 84280, 87935, 100205, 114520, 123109, 140696, 160328, 168560, 175870, 200410, 229040, 246218, 281392, 320656, 351740, 400820, 492436, 615545, 703480, 801640, 861763, 984872, 1231090, 1406960, 1603280, 1723526, 1969744, 2462180, 3447052, 4308815, 4924360, 6894104, 8617630, 9848720, 13788208, 17235260, 34470520, 68941040]

約数ペア:

[(1, 68941040), (2, 34470520), (4, 17235260), (5, 13788208), (7, 9848720), (8, 8617630), (10, 6894104), (14, 4924360), (16, 4308815), (20, 3447052), (28, 2462180), (35, 1969744), (40, 1723526), (43, 1603280), (49, 1406960), (56, 1231090), (70, 984872), (80, 861763), (86, 801640), (98, 703480), (112, 615545), (140, 492436), (172, 400820), (196, 351740), (215, 320656), (245, 281392), (280, 246218), (301, 229040), (344, 200410), (392, 175870), (409, 168560), (430, 160328), (490, 140696), (560, 123109), (602, 114520), (688, 100205), (784, 87935), (818, 84280), (860, 80164), (980, 70348), (1204, 57260), (1505, 45808), (1636, 42140), (1720, 40082), (1960, 35174), (2045, 33712), (2107, 32720), (2408, 28630), (2863, 24080), (3010, 22904), (3272, 21070), (3440, 20041), (3920, 17587), (4090, 16856), (4214, 16360), (4816, 14315), (5726, 12040), (6020, 11452), (6544, 10535), (8180, 8428)]