15789730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 32768064

約数和(自身を除く): 16978334

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 79, 110, 115, 158, 230, 253, 395, 506, 790, 869, 1265, 1738, 1817, 2530, 3634, 4345, 6241, 8690, 9085, 12482, 18170, 19987, 31205, 39974, 62410, 68651, 99935, 137302, 143543, 199870, 287086, 343255, 686510, 717715, 1435430, 1578973, 3157946, 7894865, 15789730]

約数ペア:

[(1, 15789730), (2, 7894865), (5, 3157946), (10, 1578973), (11, 1435430), (22, 717715), (23, 686510), (46, 343255), (55, 287086), (79, 199870), (110, 143543), (115, 137302), (158, 99935), (230, 68651), (253, 62410), (395, 39974), (506, 31205), (790, 19987), (869, 18170), (1265, 12482), (1738, 9085), (1817, 8690), (2530, 6241), (3634, 4345)]