648625152

素因数分解:

$2^{10}\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 264

約数和(自身を含む): 2090887680

約数和(自身を除く): 1442262528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 112, 124, 128, 139, 147, 168, 186, 192, 196, 217, 224, 248, 256, 278, 294, 336, 372, 384, 392, 417, 434, 448, 496, 512, 556, 588, 651, 672, 744, 768, 784, 834, 868, 896, 973, 992, 1024, 1112, 1176, 1302, 1344, 1488, 1519, 1536, 1568, 1668, 1736, 1792, 1946, 1984, 2224, 2352, 2604, 2688, 2919, 2976, 3038, 3072, 3136, 3336, 3472, 3584, 3892, 3968, 4309, 4448, 4557, 4704, 5208, 5376, 5838, 5952, 6076, 6272, 6672, 6811, 6944, 7168, 7784, 7936, 8618, 8896, 9114, 9408, 10416, 10752, 11676, 11904, 12152, 12544, 12927, 13344, 13622, 13888, 15568, 15872, 17236, 17792, 18228, 18816, 20433, 20832, 21504, 23352, 23808, 24304, 25088, 25854, 26688, 27244, 27776, 30163, 31136, 31744, 34472, 35584, 36456, 37632, 40866, 41664, 46704, 47616, 48608, 50176, 51708, 53376, 54488, 55552, 60326, 62272, 68944, 71168, 72912, 75264, 81732, 83328, 90489, 93408, 95232, 97216, 103416, 106752, 108976, 111104, 120652, 124544, 137888, 142336, 145824, 150528, 163464, 166656, 180978, 186816, 194432, 206832, 211141, 213504, 217952, 222208, 241304, 249088, 275776, 291648, 326928, 333312, 361956, 373632, 388864, 413664, 422282, 427008, 435904, 482608, 498176, 551552, 583296, 633423, 653856, 666624, 723912, 747264, 777728, 827328, 844564, 871808, 965216, 996352, 1103104, 1166592, 1266846, 1307712, 1447824, 1494528, 1555456, 1654656, 1689128, 1743616, 1930432, 2206208, 2333184, 2533692, 2615424, 2895648, 2989056, 3309312, 3378256, 3487232, 3860864, 4412416, 4666368, 5067384, 5230848, 5791296, 6618624, 6756512, 6974464, 7721728, 10134768, 10461696, 11582592, 13237248, 13513024, 15443456, 20269536, 20923392, 23165184, 27026048, 30886912, 40539072, 46330368, 54052096, 81078144, 92660736, 108104192, 162156288, 216208384, 324312576, 648625152]

約数ペア:

[(1, 648625152), (2, 324312576), (3, 216208384), (4, 162156288), (6, 108104192), (7, 92660736), (8, 81078144), (12, 54052096), (14, 46330368), (16, 40539072), (21, 30886912), (24, 27026048), (28, 23165184), (31, 20923392), (32, 20269536), (42, 15443456), (48, 13513024), (49, 13237248), (56, 11582592), (62, 10461696), (64, 10134768), (84, 7721728), (93, 6974464), (96, 6756512), (98, 6618624), (112, 5791296), (124, 5230848), (128, 5067384), (139, 4666368), (147, 4412416), (168, 3860864), (186, 3487232), (192, 3378256), (196, 3309312), (217, 2989056), (224, 2895648), (248, 2615424), (256, 2533692), (278, 2333184), (294, 2206208), (336, 1930432), (372, 1743616), (384, 1689128), (392, 1654656), (417, 1555456), (434, 1494528), (448, 1447824), (496, 1307712), (512, 1266846), (556, 1166592), (588, 1103104), (651, 996352), (672, 965216), (744, 871808), (768, 844564), (784, 827328), (834, 777728), (868, 747264), (896, 723912), (973, 666624), (992, 653856), (1024, 633423), (1112, 583296), (1176, 551552), (1302, 498176), (1344, 482608), (1488, 435904), (1519, 427008), (1536, 422282), (1568, 413664), (1668, 388864), (1736, 373632), (1792, 361956), (1946, 333312), (1984, 326928), (2224, 291648), (2352, 275776), (2604, 249088), (2688, 241304), (2919, 222208), (2976, 217952), (3038, 213504), (3072, 211141), (3136, 206832), (3336, 194432), (3472, 186816), (3584, 180978), (3892, 166656), (3968, 163464), (4309, 150528), (4448, 145824), (4557, 142336), (4704, 137888), (5208, 124544), (5376, 120652), (5838, 111104), (5952, 108976), (6076, 106752), (6272, 103416), (6672, 97216), (6811, 95232), (6944, 93408), (7168, 90489), (7784, 83328), (7936, 81732), (8618, 75264), (8896, 72912), (9114, 71168), (9408, 68944), (10416, 62272), (10752, 60326), (11676, 55552), (11904, 54488), (12152, 53376), (12544, 51708), (12927, 50176), (13344, 48608), (13622, 47616), (13888, 46704), (15568, 41664), (15872, 40866), (17236, 37632), (17792, 36456), (18228, 35584), (18816, 34472), (20433, 31744), (20832, 31136), (21504, 30163), (23352, 27776), (23808, 27244), (24304, 26688), (25088, 25854)]