180905560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1297}}^1$

素因数の和:1636

約数の個数: 64

約数和(自身を含む): 445785120

約数和(自身を除く): 264879560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 317, 440, 634, 1268, 1297, 1585, 2536, 2594, 3170, 3487, 5188, 6340, 6485, 6974, 10376, 12680, 12970, 13948, 14267, 17435, 25940, 27896, 28534, 34870, 51880, 57068, 69740, 71335, 114136, 139480, 142670, 285340, 411149, 570680, 822298, 1644596, 2055745, 3289192, 4111490, 4522639, 8222980, 9045278, 16445960, 18090556, 22613195, 36181112, 45226390, 90452780, 180905560]

約数ペア:

[(1, 180905560), (2, 90452780), (4, 45226390), (5, 36181112), (8, 22613195), (10, 18090556), (11, 16445960), (20, 9045278), (22, 8222980), (40, 4522639), (44, 4111490), (55, 3289192), (88, 2055745), (110, 1644596), (220, 822298), (317, 570680), (440, 411149), (634, 285340), (1268, 142670), (1297, 139480), (1585, 114136), (2536, 71335), (2594, 69740), (3170, 57068), (3487, 51880), (5188, 34870), (6340, 28534), (6485, 27896), (6974, 25940), (10376, 17435), (12680, 14267), (12970, 13948)]