77470960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19763}}^1$

素因数の和:19790

約数の個数: 60

約数和(自身を含む): 209537928

約数和(自身を除く): 132066968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 19763, 39526, 79052, 98815, 138341, 158104, 197630, 276682, 316208, 395260, 553364, 691705, 790520, 968387, 1106728, 1383410, 1581040, 1936774, 2213456, 2766820, 3873548, 4841935, 5533640, 7747096, 9683870, 11067280, 15494192, 19367740, 38735480, 77470960]

約数ペア:

[(1, 77470960), (2, 38735480), (4, 19367740), (5, 15494192), (7, 11067280), (8, 9683870), (10, 7747096), (14, 5533640), (16, 4841935), (20, 3873548), (28, 2766820), (35, 2213456), (40, 1936774), (49, 1581040), (56, 1383410), (70, 1106728), (80, 968387), (98, 790520), (112, 691705), (140, 553364), (196, 395260), (245, 316208), (280, 276682), (392, 197630), (490, 158104), (560, 138341), (784, 98815), (980, 79052), (1960, 39526), (3920, 19763)]