639353952

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 384

約数和(自身を含む): 2177280000

約数和(自身を除く): 1537926048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 27, 29, 32, 34, 36, 38, 48, 51, 54, 57, 58, 68, 72, 76, 79, 87, 96, 102, 108, 114, 116, 136, 144, 152, 153, 158, 171, 174, 204, 216, 228, 232, 237, 261, 272, 288, 304, 306, 316, 323, 342, 348, 408, 432, 456, 459, 464, 474, 493, 513, 522, 544, 551, 608, 612, 632, 646, 684, 696, 711, 783, 816, 864, 912, 918, 928, 948, 969, 986, 1026, 1044, 1102, 1224, 1264, 1292, 1343, 1368, 1392, 1422, 1479, 1501, 1566, 1632, 1653, 1824, 1836, 1896, 1938, 1972, 2052, 2088, 2133, 2204, 2291, 2448, 2528, 2584, 2686, 2736, 2784, 2844, 2907, 2958, 3002, 3132, 3306, 3672, 3792, 3876, 3944, 4029, 4104, 4176, 4266, 4408, 4437, 4503, 4582, 4896, 4959, 5168, 5372, 5472, 5688, 5814, 5916, 6004, 6264, 6612, 6873, 7344, 7584, 7752, 7888, 8058, 8208, 8352, 8532, 8721, 8816, 8874, 9006, 9164, 9367, 9918, 10336, 10744, 11376, 11628, 11832, 12008, 12087, 12528, 13224, 13311, 13509, 13746, 14688, 14877, 15504, 15776, 16116, 16416, 17064, 17442, 17632, 17748, 18012, 18328, 18734, 19836, 20619, 21488, 22752, 23256, 23664, 24016, 24174, 25056, 25517, 26448, 26622, 27018, 27492, 28101, 29754, 31008, 32232, 34128, 34884, 35496, 36024, 36261, 36656, 37468, 38947, 39672, 40527, 41238, 42976, 43529, 46512, 47328, 48032, 48348, 51034, 52896, 53244, 54036, 54984, 56202, 59508, 61857, 64464, 68256, 69768, 70992, 72048, 72522, 73312, 74936, 76551, 77894, 79344, 81054, 82476, 84303, 87058, 93024, 96696, 102068, 106488, 108072, 109968, 112404, 116841, 119016, 123714, 128928, 130587, 139536, 141984, 144096, 145044, 149872, 153102, 155788, 158688, 162108, 164952, 168606, 174116, 193392, 204136, 212976, 216144, 219936, 224808, 229653, 233682, 238032, 247428, 252909, 261174, 279072, 290088, 299744, 306204, 311576, 324216, 329904, 337212, 348232, 350523, 386784, 391761, 408272, 425952, 432288, 449616, 459306, 467364, 476064, 494856, 505818, 522348, 580176, 612408, 623152, 648432, 659808, 674424, 688959, 696464, 701046, 739993, 783522, 816544, 899232, 918612, 934728, 989712, 1011636, 1044696, 1051569, 1160352, 1175283, 1224816, 1246304, 1296864, 1348848, 1377918, 1392928, 1402092, 1479986, 1567044, 1837224, 1869456, 1979424, 2023272, 2089392, 2103138, 2219979, 2350566, 2449632, 2697696, 2755836, 2804184, 2959972, 3134088, 3674448, 3738912, 4046544, 4178784, 4206276, 4439958, 4701132, 5511672, 5608368, 5919944, 6268176, 6659937, 7348896, 8093088, 8412552, 8879916, 9402264, 11023344, 11216736, 11839888, 12536352, 13319874, 16825104, 17759832, 18804528, 19979811, 22046688, 23679776, 26639748, 33650208, 35519664, 37609056, 39959622, 53279496, 71039328, 79919244, 106558992, 159838488, 213117984, 319676976, 639353952]

約数ペア:

[(1, 639353952), (2, 319676976), (3, 213117984), (4, 159838488), (6, 106558992), (8, 79919244), (9, 71039328), (12, 53279496), (16, 39959622), (17, 37609056), (18, 35519664), (19, 33650208), (24, 26639748), (27, 23679776), (29, 22046688), (32, 19979811), (34, 18804528), (36, 17759832), (38, 16825104), (48, 13319874), (51, 12536352), (54, 11839888), (57, 11216736), (58, 11023344), (68, 9402264), (72, 8879916), (76, 8412552), (79, 8093088), (87, 7348896), (96, 6659937), (102, 6268176), (108, 5919944), (114, 5608368), (116, 5511672), (136, 4701132), (144, 4439958), (152, 4206276), (153, 4178784), (158, 4046544), (171, 3738912), (174, 3674448), (204, 3134088), (216, 2959972), (228, 2804184), (232, 2755836), (237, 2697696), (261, 2449632), (272, 2350566), (288, 2219979), (304, 2103138), (306, 2089392), (316, 2023272), (323, 1979424), (342, 1869456), (348, 1837224), (408, 1567044), (432, 1479986), (456, 1402092), (459, 1392928), (464, 1377918), (474, 1348848), (493, 1296864), (513, 1246304), (522, 1224816), (544, 1175283), (551, 1160352), (608, 1051569), (612, 1044696), (632, 1011636), (646, 989712), (684, 934728), (696, 918612), (711, 899232), (783, 816544), (816, 783522), (864, 739993), (912, 701046), (918, 696464), (928, 688959), (948, 674424), (969, 659808), (986, 648432), (1026, 623152), (1044, 612408), (1102, 580176), (1224, 522348), (1264, 505818), (1292, 494856), (1343, 476064), (1368, 467364), (1392, 459306), (1422, 449616), (1479, 432288), (1501, 425952), (1566, 408272), (1632, 391761), (1653, 386784), (1824, 350523), (1836, 348232), (1896, 337212), (1938, 329904), (1972, 324216), (2052, 311576), (2088, 306204), (2133, 299744), (2204, 290088), (2291, 279072), (2448, 261174), (2528, 252909), (2584, 247428), (2686, 238032), (2736, 233682), (2784, 229653), (2844, 224808), (2907, 219936), (2958, 216144), (3002, 212976), (3132, 204136), (3306, 193392), (3672, 174116), (3792, 168606), (3876, 164952), (3944, 162108), (4029, 158688), (4104, 155788), (4176, 153102), (4266, 149872), (4408, 145044), (4437, 144096), (4503, 141984), (4582, 139536), (4896, 130587), (4959, 128928), (5168, 123714), (5372, 119016), (5472, 116841), (5688, 112404), (5814, 109968), (5916, 108072), (6004, 106488), (6264, 102068), (6612, 96696), (6873, 93024), (7344, 87058), (7584, 84303), (7752, 82476), (7888, 81054), (8058, 79344), (8208, 77894), (8352, 76551), (8532, 74936), (8721, 73312), (8816, 72522), (8874, 72048), (9006, 70992), (9164, 69768), (9367, 68256), (9918, 64464), (10336, 61857), (10744, 59508), (11376, 56202), (11628, 54984), (11832, 54036), (12008, 53244), (12087, 52896), (12528, 51034), (13224, 48348), (13311, 48032), (13509, 47328), (13746, 46512), (14688, 43529), (14877, 42976), (15504, 41238), (15776, 40527), (16116, 39672), (16416, 38947), (17064, 37468), (17442, 36656), (17632, 36261), (17748, 36024), (18012, 35496), (18328, 34884), (18734, 34128), (19836, 32232), (20619, 31008), (21488, 29754), (22752, 28101), (23256, 27492), (23664, 27018), (24016, 26622), (24174, 26448), (25056, 25517)]