123578784

素因数分解:

$2^5\times 3^4\times 7^3\times {\mathrm{139}}^1$

素因数の和:182

約数の個数: 240

約数和(自身を含む): 426888000

約数和(自身を除く): 303309216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 139, 144, 147, 162, 168, 189, 196, 216, 224, 252, 278, 288, 294, 324, 336, 343, 378, 392, 417, 432, 441, 504, 556, 567, 588, 648, 672, 686, 756, 784, 834, 864, 882, 973, 1008, 1029, 1112, 1134, 1176, 1251, 1296, 1323, 1372, 1512, 1568, 1668, 1764, 1946, 2016, 2058, 2224, 2268, 2352, 2502, 2592, 2646, 2744, 2919, 3024, 3087, 3336, 3528, 3753, 3892, 3969, 4116, 4448, 4536, 4704, 5004, 5292, 5488, 5838, 6048, 6174, 6672, 6811, 7056, 7506, 7784, 7938, 8232, 8757, 9072, 9261, 10008, 10584, 10976, 11259, 11676, 12348, 13344, 13622, 14112, 15012, 15568, 15876, 16464, 17514, 18144, 18522, 20016, 20433, 21168, 22518, 23352, 24696, 26271, 27244, 27783, 30024, 31136, 31752, 32928, 35028, 37044, 40032, 40866, 42336, 45036, 46704, 47677, 49392, 52542, 54488, 55566, 60048, 61299, 63504, 70056, 74088, 78813, 81732, 90072, 93408, 95354, 98784, 105084, 108976, 111132, 120096, 122598, 127008, 140112, 143031, 148176, 157626, 163464, 180144, 183897, 190708, 210168, 217952, 222264, 245196, 280224, 286062, 296352, 315252, 326928, 360288, 367794, 381416, 420336, 429093, 444528, 490392, 551691, 572124, 630504, 653856, 735588, 762832, 840672, 858186, 889056, 980784, 1103382, 1144248, 1261008, 1287279, 1471176, 1525664, 1716372, 1961568, 2206764, 2288496, 2522016, 2574558, 2942352, 3432744, 3861837, 4413528, 4576992, 5149116, 5884704, 6865488, 7723674, 8827056, 10298232, 13730976, 15447348, 17654112, 20596464, 30894696, 41192928, 61789392, 123578784]

約数ペア:

[(1, 123578784), (2, 61789392), (3, 41192928), (4, 30894696), (6, 20596464), (7, 17654112), (8, 15447348), (9, 13730976), (12, 10298232), (14, 8827056), (16, 7723674), (18, 6865488), (21, 5884704), (24, 5149116), (27, 4576992), (28, 4413528), (32, 3861837), (36, 3432744), (42, 2942352), (48, 2574558), (49, 2522016), (54, 2288496), (56, 2206764), (63, 1961568), (72, 1716372), (81, 1525664), (84, 1471176), (96, 1287279), (98, 1261008), (108, 1144248), (112, 1103382), (126, 980784), (139, 889056), (144, 858186), (147, 840672), (162, 762832), (168, 735588), (189, 653856), (196, 630504), (216, 572124), (224, 551691), (252, 490392), (278, 444528), (288, 429093), (294, 420336), (324, 381416), (336, 367794), (343, 360288), (378, 326928), (392, 315252), (417, 296352), (432, 286062), (441, 280224), (504, 245196), (556, 222264), (567, 217952), (588, 210168), (648, 190708), (672, 183897), (686, 180144), (756, 163464), (784, 157626), (834, 148176), (864, 143031), (882, 140112), (973, 127008), (1008, 122598), (1029, 120096), (1112, 111132), (1134, 108976), (1176, 105084), (1251, 98784), (1296, 95354), (1323, 93408), (1372, 90072), (1512, 81732), (1568, 78813), (1668, 74088), (1764, 70056), (1946, 63504), (2016, 61299), (2058, 60048), (2224, 55566), (2268, 54488), (2352, 52542), (2502, 49392), (2592, 47677), (2646, 46704), (2744, 45036), (2919, 42336), (3024, 40866), (3087, 40032), (3336, 37044), (3528, 35028), (3753, 32928), (3892, 31752), (3969, 31136), (4116, 30024), (4448, 27783), (4536, 27244), (4704, 26271), (5004, 24696), (5292, 23352), (5488, 22518), (5838, 21168), (6048, 20433), (6174, 20016), (6672, 18522), (6811, 18144), (7056, 17514), (7506, 16464), (7784, 15876), (7938, 15568), (8232, 15012), (8757, 14112), (9072, 13622), (9261, 13344), (10008, 12348), (10584, 11676), (10976, 11259)]