257806080

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:196

約数の個数: 432

約数和(自身を含む): 1071383040

約数和(自身を除く): 813576960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 64, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 128, 138, 139, 140, 144, 160, 161, 168, 180, 184, 192, 207, 210, 224, 230, 240, 252, 256, 276, 278, 280, 288, 315, 320, 322, 336, 345, 360, 368, 384, 414, 417, 420, 448, 460, 480, 483, 504, 552, 556, 560, 576, 630, 640, 644, 672, 690, 695, 720, 736, 768, 805, 828, 834, 840, 896, 920, 960, 966, 973, 1008, 1035, 1104, 1112, 1120, 1152, 1251, 1260, 1280, 1288, 1344, 1380, 1390, 1440, 1449, 1472, 1610, 1656, 1668, 1680, 1792, 1840, 1920, 1932, 1946, 2016, 2070, 2085, 2208, 2224, 2240, 2304, 2415, 2502, 2520, 2576, 2688, 2760, 2780, 2880, 2898, 2919, 2944, 3197, 3220, 3312, 3336, 3360, 3680, 3840, 3864, 3892, 4032, 4140, 4170, 4416, 4448, 4480, 4830, 4865, 5004, 5040, 5152, 5376, 5520, 5560, 5760, 5796, 5838, 5888, 6255, 6394, 6440, 6624, 6672, 6720, 7245, 7360, 7728, 7784, 8064, 8280, 8340, 8757, 8832, 8896, 8960, 9591, 9660, 9730, 10008, 10080, 10304, 11040, 11120, 11520, 11592, 11676, 12510, 12788, 12880, 13248, 13344, 13440, 14490, 14595, 14720, 15456, 15568, 15985, 16128, 16560, 16680, 17514, 17664, 17792, 19182, 19320, 19460, 20016, 20160, 20608, 22080, 22240, 22379, 23184, 23352, 25020, 25576, 25760, 26496, 26688, 26880, 28773, 28980, 29190, 29440, 30912, 31136, 31970, 33120, 33360, 35028, 35584, 38364, 38640, 38920, 40032, 40320, 41216, 43785, 44160, 44480, 44758, 46368, 46704, 47955, 50040, 51152, 51520, 52992, 53376, 57546, 57960, 58380, 61824, 62272, 63940, 66240, 66720, 67137, 70056, 76728, 77280, 77840, 80064, 80640, 87570, 88320, 88960, 89516, 92736, 93408, 95910, 100080, 102304, 103040, 106752, 111895, 115092, 115920, 116760, 123648, 124544, 127880, 132480, 133440, 134274, 140112, 143865, 153456, 154560, 155680, 160128, 175140, 177920, 179032, 185472, 186816, 191820, 200160, 201411, 204608, 206080, 223790, 230184, 231840, 233520, 249088, 255760, 264960, 266880, 268548, 280224, 287730, 306912, 309120, 311360, 320256, 335685, 350280, 358064, 370944, 373632, 383640, 400320, 402822, 409216, 447580, 460368, 463680, 467040, 511520, 533760, 537096, 560448, 575460, 613824, 618240, 622720, 671370, 700560, 716128, 747264, 767280, 800640, 805644, 818432, 895160, 920736, 927360, 934080, 1007055, 1023040, 1074192, 1120896, 1150920, 1227648, 1245440, 1342740, 1401120, 1432256, 1534560, 1601280, 1611288, 1790320, 1841472, 1854720, 1868160, 2014110, 2046080, 2148384, 2241792, 2301840, 2455296, 2685480, 2802240, 2864512, 3069120, 3222576, 3580640, 3682944, 3736320, 4028220, 4092160, 4296768, 4603680, 5370960, 5604480, 5729024, 6138240, 6445152, 7161280, 7365888, 8056440, 8593536, 9207360, 10741920, 11208960, 12276480, 12890304, 14322560, 16112880, 17187072, 18414720, 21483840, 25780608, 28645120, 32225760, 36829440, 42967680, 51561216, 64451520, 85935360, 128903040, 257806080]

約数ペア:

[(1, 257806080), (2, 128903040), (3, 85935360), (4, 64451520), (5, 51561216), (6, 42967680), (7, 36829440), (8, 32225760), (9, 28645120), (10, 25780608), (12, 21483840), (14, 18414720), (15, 17187072), (16, 16112880), (18, 14322560), (20, 12890304), (21, 12276480), (23, 11208960), (24, 10741920), (28, 9207360), (30, 8593536), (32, 8056440), (35, 7365888), (36, 7161280), (40, 6445152), (42, 6138240), (45, 5729024), (46, 5604480), (48, 5370960), (56, 4603680), (60, 4296768), (63, 4092160), (64, 4028220), (69, 3736320), (70, 3682944), (72, 3580640), (80, 3222576), (84, 3069120), (90, 2864512), (92, 2802240), (96, 2685480), (105, 2455296), (112, 2301840), (115, 2241792), (120, 2148384), (126, 2046080), (128, 2014110), (138, 1868160), (139, 1854720), (140, 1841472), (144, 1790320), (160, 1611288), (161, 1601280), (168, 1534560), (180, 1432256), (184, 1401120), (192, 1342740), (207, 1245440), (210, 1227648), (224, 1150920), (230, 1120896), (240, 1074192), (252, 1023040), (256, 1007055), (276, 934080), (278, 927360), (280, 920736), (288, 895160), (315, 818432), (320, 805644), (322, 800640), (336, 767280), (345, 747264), (360, 716128), (368, 700560), (384, 671370), (414, 622720), (417, 618240), (420, 613824), (448, 575460), (460, 560448), (480, 537096), (483, 533760), (504, 511520), (552, 467040), (556, 463680), (560, 460368), (576, 447580), (630, 409216), (640, 402822), (644, 400320), (672, 383640), (690, 373632), (695, 370944), (720, 358064), (736, 350280), (768, 335685), (805, 320256), (828, 311360), (834, 309120), (840, 306912), (896, 287730), (920, 280224), (960, 268548), (966, 266880), (973, 264960), (1008, 255760), (1035, 249088), (1104, 233520), (1112, 231840), (1120, 230184), (1152, 223790), (1251, 206080), (1260, 204608), (1280, 201411), (1288, 200160), (1344, 191820), (1380, 186816), (1390, 185472), (1440, 179032), (1449, 177920), (1472, 175140), (1610, 160128), (1656, 155680), (1668, 154560), (1680, 153456), (1792, 143865), (1840, 140112), (1920, 134274), (1932, 133440), (1946, 132480), (2016, 127880), (2070, 124544), (2085, 123648), (2208, 116760), (2224, 115920), (2240, 115092), (2304, 111895), (2415, 106752), (2502, 103040), (2520, 102304), (2576, 100080), (2688, 95910), (2760, 93408), (2780, 92736), (2880, 89516), (2898, 88960), (2919, 88320), (2944, 87570), (3197, 80640), (3220, 80064), (3312, 77840), (3336, 77280), (3360, 76728), (3680, 70056), (3840, 67137), (3864, 66720), (3892, 66240), (4032, 63940), (4140, 62272), (4170, 61824), (4416, 58380), (4448, 57960), (4480, 57546), (4830, 53376), (4865, 52992), (5004, 51520), (5040, 51152), (5152, 50040), (5376, 47955), (5520, 46704), (5560, 46368), (5760, 44758), (5796, 44480), (5838, 44160), (5888, 43785), (6255, 41216), (6394, 40320), (6440, 40032), (6624, 38920), (6672, 38640), (6720, 38364), (7245, 35584), (7360, 35028), (7728, 33360), (7784, 33120), (8064, 31970), (8280, 31136), (8340, 30912), (8757, 29440), (8832, 29190), (8896, 28980), (8960, 28773), (9591, 26880), (9660, 26688), (9730, 26496), (10008, 25760), (10080, 25576), (10304, 25020), (11040, 23352), (11120, 23184), (11520, 22379), (11592, 22240), (11676, 22080), (12510, 20608), (12788, 20160), (12880, 20016), (13248, 19460), (13344, 19320), (13440, 19182), (14490, 17792), (14595, 17664), (14720, 17514), (15456, 16680), (15568, 16560), (15985, 16128)]