78168920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 184464000

約数和(自身を除く): 106295080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 290, 316, 395, 580, 632, 790, 853, 1160, 1580, 1706, 2291, 3160, 3412, 4265, 4582, 6824, 8530, 9164, 11455, 17060, 18328, 22910, 24737, 34120, 45820, 49474, 67387, 91640, 98948, 123685, 134774, 197896, 247370, 269548, 336935, 494740, 539096, 673870, 989480, 1347740, 1954223, 2695480, 3908446, 7816892, 9771115, 15633784, 19542230, 39084460, 78168920]

約数ペア:

[(1, 78168920), (2, 39084460), (4, 19542230), (5, 15633784), (8, 9771115), (10, 7816892), (20, 3908446), (29, 2695480), (40, 1954223), (58, 1347740), (79, 989480), (116, 673870), (145, 539096), (158, 494740), (232, 336935), (290, 269548), (316, 247370), (395, 197896), (580, 134774), (632, 123685), (790, 98948), (853, 91640), (1160, 67387), (1580, 49474), (1706, 45820), (2291, 34120), (3160, 24737), (3412, 22910), (4265, 18328), (4582, 17060), (6824, 11455), (8530, 9164)]