68310918

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 175042560

約数和(自身を除く): 106731642

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 43, 54, 62, 73, 78, 86, 93, 117, 129, 146, 186, 219, 234, 258, 279, 351, 387, 403, 438, 558, 559, 657, 702, 774, 806, 837, 949, 1118, 1161, 1209, 1314, 1333, 1674, 1677, 1898, 1971, 2263, 2322, 2418, 2666, 2847, 3139, 3354, 3627, 3942, 3999, 4526, 5031, 5694, 6278, 6789, 7254, 7998, 8541, 9417, 10062, 10881, 11997, 13578, 15093, 17082, 17329, 18834, 20367, 21762, 23994, 25623, 28251, 29419, 30186, 34658, 35991, 40734, 40807, 51246, 51987, 56502, 58838, 61101, 71982, 81614, 84753, 88257, 97309, 103974, 122202, 122421, 155961, 169506, 176514, 194618, 244842, 264771, 291927, 311922, 367263, 467883, 529542, 583854, 734526, 794313, 875781, 935766, 1101789, 1265017, 1588626, 1751562, 2203578, 2530034, 2627343, 3795051, 5254686, 7590102, 11385153, 22770306, 34155459, 68310918]

約数ペア:

[(1, 68310918), (2, 34155459), (3, 22770306), (6, 11385153), (9, 7590102), (13, 5254686), (18, 3795051), (26, 2627343), (27, 2530034), (31, 2203578), (39, 1751562), (43, 1588626), (54, 1265017), (62, 1101789), (73, 935766), (78, 875781), (86, 794313), (93, 734526), (117, 583854), (129, 529542), (146, 467883), (186, 367263), (219, 311922), (234, 291927), (258, 264771), (279, 244842), (351, 194618), (387, 176514), (403, 169506), (438, 155961), (558, 122421), (559, 122202), (657, 103974), (702, 97309), (774, 88257), (806, 84753), (837, 81614), (949, 71982), (1118, 61101), (1161, 58838), (1209, 56502), (1314, 51987), (1333, 51246), (1674, 40807), (1677, 40734), (1898, 35991), (1971, 34658), (2263, 30186), (2322, 29419), (2418, 28251), (2666, 25623), (2847, 23994), (3139, 21762), (3354, 20367), (3627, 18834), (3942, 17329), (3999, 17082), (4526, 15093), (5031, 13578), (5694, 11997), (6278, 10881), (6789, 10062), (7254, 9417), (7998, 8541)]