1280511232

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 288

約数和(自身を含む): 3626219520

約数和(自身を除く): 2345708288

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 19, 22, 26, 28, 32, 38, 44, 52, 56, 64, 76, 77, 88, 91, 104, 112, 128, 133, 143, 152, 154, 176, 182, 208, 209, 224, 247, 256, 263, 266, 286, 304, 308, 352, 364, 416, 418, 448, 494, 526, 532, 572, 608, 616, 704, 728, 832, 836, 896, 988, 1001, 1052, 1064, 1144, 1216, 1232, 1408, 1456, 1463, 1664, 1672, 1729, 1792, 1841, 1976, 2002, 2104, 2128, 2288, 2432, 2464, 2717, 2816, 2893, 2912, 2926, 3328, 3344, 3419, 3458, 3682, 3952, 4004, 4208, 4256, 4576, 4864, 4928, 4997, 5434, 5786, 5824, 5852, 6688, 6838, 6916, 7364, 7904, 8008, 8416, 8512, 9152, 9856, 9994, 10868, 11572, 11648, 11704, 13376, 13676, 13832, 14728, 15808, 16016, 16832, 17024, 18304, 19019, 19712, 19988, 20251, 21736, 23144, 23296, 23408, 23933, 26752, 27352, 27664, 29456, 31616, 32032, 33664, 34048, 34979, 36608, 37609, 38038, 39976, 40502, 43472, 46288, 46816, 47866, 53504, 54704, 54967, 55328, 58912, 63232, 64064, 64961, 67328, 69958, 75218, 76076, 79952, 81004, 86944, 92576, 93632, 95732, 109408, 109934, 110656, 117824, 128128, 129922, 139916, 150436, 152152, 159904, 162008, 173888, 185152, 187264, 191464, 218816, 219868, 221312, 235648, 256256, 259844, 263263, 279832, 300872, 304304, 319808, 324016, 347776, 370304, 374528, 382928, 384769, 437632, 439736, 442624, 454727, 471296, 519688, 526526, 559664, 601744, 608608, 639616, 648032, 695552, 714571, 740608, 765856, 769538, 875264, 879472, 909454, 1039376, 1053052, 1119328, 1203488, 1217216, 1279232, 1296064, 1429142, 1531712, 1539076, 1758944, 1818908, 2078752, 2106104, 2238656, 2406976, 2434432, 2592128, 2858284, 3063424, 3078152, 3517888, 3637816, 4157504, 4212208, 4477312, 4813952, 4868864, 5001997, 5184256, 5716568, 6126848, 6156304, 7035776, 7275632, 8315008, 8424416, 8954624, 9627904, 10003994, 11433136, 12312608, 14071552, 14551264, 16630016, 16848832, 20007988, 22866272, 24625216, 29102528, 33697664, 40015976, 45732544, 49250432, 58205056, 67395328, 80031952, 91465088, 98500864, 116410112, 160063904, 182930176, 320127808, 640255616, 1280511232]

約数ペア:

[(1, 1280511232), (2, 640255616), (4, 320127808), (7, 182930176), (8, 160063904), (11, 116410112), (13, 98500864), (14, 91465088), (16, 80031952), (19, 67395328), (22, 58205056), (26, 49250432), (28, 45732544), (32, 40015976), (38, 33697664), (44, 29102528), (52, 24625216), (56, 22866272), (64, 20007988), (76, 16848832), (77, 16630016), (88, 14551264), (91, 14071552), (104, 12312608), (112, 11433136), (128, 10003994), (133, 9627904), (143, 8954624), (152, 8424416), (154, 8315008), (176, 7275632), (182, 7035776), (208, 6156304), (209, 6126848), (224, 5716568), (247, 5184256), (256, 5001997), (263, 4868864), (266, 4813952), (286, 4477312), (304, 4212208), (308, 4157504), (352, 3637816), (364, 3517888), (416, 3078152), (418, 3063424), (448, 2858284), (494, 2592128), (526, 2434432), (532, 2406976), (572, 2238656), (608, 2106104), (616, 2078752), (704, 1818908), (728, 1758944), (832, 1539076), (836, 1531712), (896, 1429142), (988, 1296064), (1001, 1279232), (1052, 1217216), (1064, 1203488), (1144, 1119328), (1216, 1053052), (1232, 1039376), (1408, 909454), (1456, 879472), (1463, 875264), (1664, 769538), (1672, 765856), (1729, 740608), (1792, 714571), (1841, 695552), (1976, 648032), (2002, 639616), (2104, 608608), (2128, 601744), (2288, 559664), (2432, 526526), (2464, 519688), (2717, 471296), (2816, 454727), (2893, 442624), (2912, 439736), (2926, 437632), (3328, 384769), (3344, 382928), (3419, 374528), (3458, 370304), (3682, 347776), (3952, 324016), (4004, 319808), (4208, 304304), (4256, 300872), (4576, 279832), (4864, 263263), (4928, 259844), (4997, 256256), (5434, 235648), (5786, 221312), (5824, 219868), (5852, 218816), (6688, 191464), (6838, 187264), (6916, 185152), (7364, 173888), (7904, 162008), (8008, 159904), (8416, 152152), (8512, 150436), (9152, 139916), (9856, 129922), (9994, 128128), (10868, 117824), (11572, 110656), (11648, 109934), (11704, 109408), (13376, 95732), (13676, 93632), (13832, 92576), (14728, 86944), (15808, 81004), (16016, 79952), (16832, 76076), (17024, 75218), (18304, 69958), (19019, 67328), (19712, 64961), (19988, 64064), (20251, 63232), (21736, 58912), (23144, 55328), (23296, 54967), (23408, 54704), (23933, 53504), (26752, 47866), (27352, 46816), (27664, 46288), (29456, 43472), (31616, 40502), (32032, 39976), (33664, 38038), (34048, 37609), (34979, 36608)]