280015008

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 288

約数和(自身を含む): 973304640

約数和(自身を除く): 693289632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 32, 38, 39, 42, 48, 49, 52, 56, 57, 76, 78, 84, 91, 96, 98, 104, 112, 114, 133, 147, 152, 156, 168, 182, 196, 208, 224, 228, 241, 247, 266, 273, 294, 304, 312, 336, 364, 392, 399, 416, 456, 482, 494, 532, 546, 588, 608, 624, 637, 672, 723, 728, 741, 784, 798, 912, 931, 964, 988, 1064, 1092, 1176, 1248, 1274, 1446, 1456, 1482, 1568, 1596, 1687, 1729, 1824, 1862, 1911, 1928, 1976, 2128, 2184, 2352, 2548, 2793, 2892, 2912, 2964, 3133, 3192, 3374, 3458, 3724, 3822, 3856, 3952, 4256, 4368, 4579, 4704, 5061, 5096, 5187, 5586, 5784, 5928, 6266, 6384, 6748, 6916, 7448, 7644, 7712, 7904, 8736, 9158, 9399, 10122, 10192, 10374, 11172, 11568, 11809, 11856, 12103, 12532, 12768, 13496, 13737, 13832, 14896, 15288, 18316, 18798, 20244, 20384, 20748, 21931, 22344, 23136, 23618, 23712, 24206, 25064, 26992, 27474, 27664, 29792, 30576, 32053, 35427, 36309, 36632, 37596, 40488, 41496, 43862, 44688, 47236, 48412, 50128, 53984, 54948, 55328, 59527, 61152, 64106, 65793, 70854, 72618, 73264, 75192, 80976, 82992, 87724, 89376, 94472, 96159, 96824, 100256, 109896, 119054, 128212, 131586, 141708, 145236, 146528, 150384, 153517, 161952, 165984, 175448, 178581, 188944, 192318, 193648, 219792, 224371, 238108, 256424, 263172, 283416, 290472, 300768, 307034, 350896, 357162, 377888, 384636, 387296, 416689, 439584, 448742, 460551, 476216, 512848, 526344, 566832, 580944, 614068, 673113, 701792, 714324, 769272, 833378, 897484, 921102, 952432, 1025696, 1052688, 1133664, 1161888, 1228136, 1250067, 1346226, 1428648, 1538544, 1666756, 1794968, 1842204, 1904864, 2105376, 2456272, 2500134, 2692452, 2857296, 2916823, 3077088, 3333512, 3589936, 3684408, 4912544, 5000268, 5384904, 5714592, 5833646, 6667024, 7179872, 7368816, 8750469, 10000536, 10769808, 11667292, 13334048, 14737632, 17500938, 20001072, 21539616, 23334584, 35001876, 40002144, 46669168, 70003752, 93338336, 140007504, 280015008]

約数ペア:

[(1, 280015008), (2, 140007504), (3, 93338336), (4, 70003752), (6, 46669168), (7, 40002144), (8, 35001876), (12, 23334584), (13, 21539616), (14, 20001072), (16, 17500938), (19, 14737632), (21, 13334048), (24, 11667292), (26, 10769808), (28, 10000536), (32, 8750469), (38, 7368816), (39, 7179872), (42, 6667024), (48, 5833646), (49, 5714592), (52, 5384904), (56, 5000268), (57, 4912544), (76, 3684408), (78, 3589936), (84, 3333512), (91, 3077088), (96, 2916823), (98, 2857296), (104, 2692452), (112, 2500134), (114, 2456272), (133, 2105376), (147, 1904864), (152, 1842204), (156, 1794968), (168, 1666756), (182, 1538544), (196, 1428648), (208, 1346226), (224, 1250067), (228, 1228136), (241, 1161888), (247, 1133664), (266, 1052688), (273, 1025696), (294, 952432), (304, 921102), (312, 897484), (336, 833378), (364, 769272), (392, 714324), (399, 701792), (416, 673113), (456, 614068), (482, 580944), (494, 566832), (532, 526344), (546, 512848), (588, 476216), (608, 460551), (624, 448742), (637, 439584), (672, 416689), (723, 387296), (728, 384636), (741, 377888), (784, 357162), (798, 350896), (912, 307034), (931, 300768), (964, 290472), (988, 283416), (1064, 263172), (1092, 256424), (1176, 238108), (1248, 224371), (1274, 219792), (1446, 193648), (1456, 192318), (1482, 188944), (1568, 178581), (1596, 175448), (1687, 165984), (1729, 161952), (1824, 153517), (1862, 150384), (1911, 146528), (1928, 145236), (1976, 141708), (2128, 131586), (2184, 128212), (2352, 119054), (2548, 109896), (2793, 100256), (2892, 96824), (2912, 96159), (2964, 94472), (3133, 89376), (3192, 87724), (3374, 82992), (3458, 80976), (3724, 75192), (3822, 73264), (3856, 72618), (3952, 70854), (4256, 65793), (4368, 64106), (4579, 61152), (4704, 59527), (5061, 55328), (5096, 54948), (5187, 53984), (5586, 50128), (5784, 48412), (5928, 47236), (6266, 44688), (6384, 43862), (6748, 41496), (6916, 40488), (7448, 37596), (7644, 36632), (7712, 36309), (7904, 35427), (8736, 32053), (9158, 30576), (9399, 29792), (10122, 27664), (10192, 27474), (10374, 26992), (11172, 25064), (11568, 24206), (11809, 23712), (11856, 23618), (12103, 23136), (12532, 22344), (12768, 21931), (13496, 20748), (13737, 20384), (13832, 20244), (14896, 18798), (15288, 18316)]