256210416

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3301}}^1$

素因数の和:3340

約数の個数: 180

約数和(自身を含む): 910202904

約数和(自身を除く): 653992488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 49, 56, 63, 66, 72, 77, 84, 88, 98, 99, 112, 126, 132, 144, 147, 154, 168, 176, 196, 198, 231, 252, 264, 294, 308, 336, 392, 396, 441, 462, 504, 528, 539, 588, 616, 693, 784, 792, 882, 924, 1008, 1078, 1176, 1232, 1386, 1584, 1617, 1764, 1848, 2156, 2352, 2772, 3234, 3301, 3528, 3696, 4312, 4851, 5544, 6468, 6602, 7056, 8624, 9702, 9903, 11088, 12936, 13204, 19404, 19806, 23107, 25872, 26408, 29709, 36311, 38808, 39612, 46214, 52816, 59418, 69321, 72622, 77616, 79224, 92428, 108933, 118836, 138642, 145244, 158448, 161749, 184856, 207963, 217866, 237672, 254177, 277284, 290488, 323498, 326799, 369712, 415926, 435732, 475344, 485247, 508354, 554568, 580976, 646996, 653598, 762531, 831852, 871464, 970494, 1016708, 1109136, 1293992, 1307196, 1455741, 1525062, 1663704, 1742928, 1779239, 1940988, 2033416, 2287593, 2587984, 2614392, 2911482, 3050124, 3327408, 3558478, 3881976, 4066832, 4575186, 5228784, 5337717, 5822964, 6100248, 7116956, 7763952, 9150372, 10675434, 11645928, 12200496, 14233912, 16013151, 18300744, 21350868, 23291856, 28467824, 32026302, 36601488, 42701736, 64052604, 85403472, 128105208, 256210416]

約数ペア:

[(1, 256210416), (2, 128105208), (3, 85403472), (4, 64052604), (6, 42701736), (7, 36601488), (8, 32026302), (9, 28467824), (11, 23291856), (12, 21350868), (14, 18300744), (16, 16013151), (18, 14233912), (21, 12200496), (22, 11645928), (24, 10675434), (28, 9150372), (33, 7763952), (36, 7116956), (42, 6100248), (44, 5822964), (48, 5337717), (49, 5228784), (56, 4575186), (63, 4066832), (66, 3881976), (72, 3558478), (77, 3327408), (84, 3050124), (88, 2911482), (98, 2614392), (99, 2587984), (112, 2287593), (126, 2033416), (132, 1940988), (144, 1779239), (147, 1742928), (154, 1663704), (168, 1525062), (176, 1455741), (196, 1307196), (198, 1293992), (231, 1109136), (252, 1016708), (264, 970494), (294, 871464), (308, 831852), (336, 762531), (392, 653598), (396, 646996), (441, 580976), (462, 554568), (504, 508354), (528, 485247), (539, 475344), (588, 435732), (616, 415926), (693, 369712), (784, 326799), (792, 323498), (882, 290488), (924, 277284), (1008, 254177), (1078, 237672), (1176, 217866), (1232, 207963), (1386, 184856), (1584, 161749), (1617, 158448), (1764, 145244), (1848, 138642), (2156, 118836), (2352, 108933), (2772, 92428), (3234, 79224), (3301, 77616), (3528, 72622), (3696, 69321), (4312, 59418), (4851, 52816), (5544, 46214), (6468, 39612), (6602, 38808), (7056, 36311), (8624, 29709), (9702, 26408), (9903, 25872), (11088, 23107), (12936, 19806), (13204, 19404)]