280123008

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 256

約数和(自身を含む): 888330240

約数和(自身を除く): 608207232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 47, 48, 51, 64, 66, 68, 83, 88, 94, 96, 102, 128, 132, 136, 141, 166, 176, 187, 188, 192, 204, 249, 264, 272, 282, 332, 352, 374, 376, 384, 408, 498, 517, 528, 544, 561, 564, 664, 704, 748, 752, 799, 816, 913, 996, 1034, 1056, 1088, 1122, 1128, 1328, 1408, 1411, 1496, 1504, 1551, 1598, 1632, 1826, 1992, 2068, 2112, 2176, 2244, 2256, 2397, 2656, 2739, 2822, 2992, 3008, 3102, 3196, 3264, 3652, 3901, 3984, 4136, 4224, 4233, 4488, 4512, 4794, 5312, 5478, 5644, 5984, 6016, 6204, 6392, 6528, 7304, 7802, 7968, 8272, 8466, 8789, 8976, 9024, 9588, 10624, 10956, 11288, 11703, 11968, 12408, 12784, 14608, 15521, 15604, 15936, 16544, 16932, 17578, 17952, 18048, 19176, 21912, 22576, 23406, 23936, 24816, 25568, 26367, 29216, 31042, 31208, 31872, 33088, 33864, 35156, 35904, 38352, 42911, 43824, 45152, 46563, 46812, 49632, 51136, 52734, 58432, 62084, 62416, 66176, 66317, 67728, 70312, 71808, 76704, 85822, 87648, 90304, 93126, 93624, 99264, 102272, 105468, 116864, 124168, 124832, 128733, 132634, 135456, 140624, 153408, 171644, 175296, 180608, 186252, 187248, 198528, 198951, 210936, 248336, 249664, 257466, 265268, 270912, 281248, 306816, 343288, 350592, 372504, 374496, 397902, 421872, 496672, 499328, 514932, 530536, 541824, 562496, 686576, 729487, 745008, 748992, 795804, 843744, 993344, 1029864, 1061072, 1124992, 1373152, 1458974, 1490016, 1497984, 1591608, 1687488, 1986688, 2059728, 2122144, 2188461, 2746304, 2917948, 2980032, 3183216, 3374976, 4119456, 4244288, 4376922, 5492608, 5835896, 5960064, 6366432, 8238912, 8488576, 8753844, 11671792, 12732864, 16477824, 17507688, 23343584, 25465728, 35015376, 46687168, 70030752, 93374336, 140061504, 280123008]

約数ペア:

[(1, 280123008), (2, 140061504), (3, 93374336), (4, 70030752), (6, 46687168), (8, 35015376), (11, 25465728), (12, 23343584), (16, 17507688), (17, 16477824), (22, 12732864), (24, 11671792), (32, 8753844), (33, 8488576), (34, 8238912), (44, 6366432), (47, 5960064), (48, 5835896), (51, 5492608), (64, 4376922), (66, 4244288), (68, 4119456), (83, 3374976), (88, 3183216), (94, 2980032), (96, 2917948), (102, 2746304), (128, 2188461), (132, 2122144), (136, 2059728), (141, 1986688), (166, 1687488), (176, 1591608), (187, 1497984), (188, 1490016), (192, 1458974), (204, 1373152), (249, 1124992), (264, 1061072), (272, 1029864), (282, 993344), (332, 843744), (352, 795804), (374, 748992), (376, 745008), (384, 729487), (408, 686576), (498, 562496), (517, 541824), (528, 530536), (544, 514932), (561, 499328), (564, 496672), (664, 421872), (704, 397902), (748, 374496), (752, 372504), (799, 350592), (816, 343288), (913, 306816), (996, 281248), (1034, 270912), (1056, 265268), (1088, 257466), (1122, 249664), (1128, 248336), (1328, 210936), (1408, 198951), (1411, 198528), (1496, 187248), (1504, 186252), (1551, 180608), (1598, 175296), (1632, 171644), (1826, 153408), (1992, 140624), (2068, 135456), (2112, 132634), (2176, 128733), (2244, 124832), (2256, 124168), (2397, 116864), (2656, 105468), (2739, 102272), (2822, 99264), (2992, 93624), (3008, 93126), (3102, 90304), (3196, 87648), (3264, 85822), (3652, 76704), (3901, 71808), (3984, 70312), (4136, 67728), (4224, 66317), (4233, 66176), (4488, 62416), (4512, 62084), (4794, 58432), (5312, 52734), (5478, 51136), (5644, 49632), (5984, 46812), (6016, 46563), (6204, 45152), (6392, 43824), (6528, 42911), (7304, 38352), (7802, 35904), (7968, 35156), (8272, 33864), (8466, 33088), (8789, 31872), (8976, 31208), (9024, 31042), (9588, 29216), (10624, 26367), (10956, 25568), (11288, 24816), (11703, 23936), (11968, 23406), (12408, 22576), (12784, 21912), (14608, 19176), (15521, 18048), (15604, 17952), (15936, 17578), (16544, 16932)]