256220874

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2267}}^1$

素因数の和:2321

約数の個数: 128

約数和(自身を含む): 731566080

約数和(自身を除く): 475345206

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 23, 26, 27, 39, 42, 46, 54, 63, 69, 78, 91, 117, 126, 138, 161, 182, 189, 207, 234, 273, 299, 322, 351, 378, 414, 483, 546, 598, 621, 702, 819, 897, 966, 1242, 1449, 1638, 1794, 2093, 2267, 2457, 2691, 2898, 4186, 4347, 4534, 4914, 5382, 6279, 6801, 8073, 8694, 12558, 13602, 15869, 16146, 18837, 20403, 29471, 31738, 37674, 40806, 47607, 52141, 56511, 58942, 61209, 88413, 95214, 104282, 113022, 122418, 142821, 156423, 176826, 206297, 265239, 285642, 312846, 364987, 412594, 428463, 469269, 530478, 618891, 677833, 729974, 795717, 856926, 938538, 1094961, 1237782, 1355666, 1407807, 1591434, 1856673, 2033499, 2189922, 2815614, 3284883, 3713346, 4066998, 4744831, 5570019, 6100497, 6569766, 9489662, 9854649, 11140038, 12200994, 14234493, 18301491, 19709298, 28468986, 36602982, 42703479, 85406958, 128110437, 256220874]

約数ペア:

[(1, 256220874), (2, 128110437), (3, 85406958), (6, 42703479), (7, 36602982), (9, 28468986), (13, 19709298), (14, 18301491), (18, 14234493), (21, 12200994), (23, 11140038), (26, 9854649), (27, 9489662), (39, 6569766), (42, 6100497), (46, 5570019), (54, 4744831), (63, 4066998), (69, 3713346), (78, 3284883), (91, 2815614), (117, 2189922), (126, 2033499), (138, 1856673), (161, 1591434), (182, 1407807), (189, 1355666), (207, 1237782), (234, 1094961), (273, 938538), (299, 856926), (322, 795717), (351, 729974), (378, 677833), (414, 618891), (483, 530478), (546, 469269), (598, 428463), (621, 412594), (702, 364987), (819, 312846), (897, 285642), (966, 265239), (1242, 206297), (1449, 176826), (1638, 156423), (1794, 142821), (2093, 122418), (2267, 113022), (2457, 104282), (2691, 95214), (2898, 88413), (4186, 61209), (4347, 58942), (4534, 56511), (4914, 52141), (5382, 47607), (6279, 40806), (6801, 37674), (8073, 31738), (8694, 29471), (12558, 20403), (13602, 18837), (15869, 16146)]