68974845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 123740160

約数和(自身を除く): 54765315

約数列:

[1, 3, 5, 15, 19, 31, 37, 57, 93, 95, 111, 155, 185, 211, 285, 465, 555, 589, 633, 703, 1055, 1147, 1767, 2109, 2945, 3165, 3441, 3515, 4009, 5735, 6541, 7807, 8835, 10545, 12027, 17205, 19623, 20045, 21793, 23421, 32705, 39035, 60135, 65379, 98115, 108965, 117105, 124279, 148333, 242017, 326895, 372837, 444999, 621395, 726051, 741665, 1210085, 1864185, 2224995, 3630255, 4598323, 13794969, 22991615, 68974845]

約数ペア:

[(1, 68974845), (3, 22991615), (5, 13794969), (15, 4598323), (19, 3630255), (31, 2224995), (37, 1864185), (57, 1210085), (93, 741665), (95, 726051), (111, 621395), (155, 444999), (185, 372837), (211, 326895), (285, 242017), (465, 148333), (555, 124279), (589, 117105), (633, 108965), (703, 98115), (1055, 65379), (1147, 60135), (1767, 39035), (2109, 32705), (2945, 23421), (3165, 21793), (3441, 20045), (3515, 19623), (4009, 17205), (5735, 12027), (6541, 10545), (7807, 8835)]