15980470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 32405184

約数和(自身を除く): 16424714

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 121, 235, 242, 281, 470, 517, 562, 605, 1034, 1210, 1405, 2585, 2810, 3091, 5170, 5687, 6182, 11374, 13207, 15455, 26414, 28435, 30910, 34001, 56870, 66035, 68002, 132070, 145277, 170005, 290554, 340010, 726385, 1452770, 1598047, 3196094, 7990235, 15980470]

約数ペア:

[(1, 15980470), (2, 7990235), (5, 3196094), (10, 1598047), (11, 1452770), (22, 726385), (47, 340010), (55, 290554), (94, 170005), (110, 145277), (121, 132070), (235, 68002), (242, 66035), (281, 56870), (470, 34001), (517, 30910), (562, 28435), (605, 26414), (1034, 15455), (1210, 13207), (1405, 11374), (2585, 6182), (2810, 5687), (3091, 5170)]