1280280960

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:426

約数の個数: 384

約数和(自身を含む): 5115389760

約数和(自身を除く): 3835108800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 113, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 226, 240, 252, 280, 281, 288, 315, 320, 336, 339, 360, 384, 420, 448, 452, 480, 504, 560, 562, 565, 576, 630, 640, 672, 678, 720, 791, 840, 843, 896, 904, 960, 1008, 1017, 1120, 1124, 1130, 1152, 1260, 1344, 1356, 1405, 1440, 1582, 1680, 1686, 1695, 1808, 1920, 1967, 2016, 2034, 2240, 2248, 2260, 2373, 2520, 2529, 2688, 2712, 2810, 2880, 3164, 3360, 3372, 3390, 3616, 3934, 3955, 4032, 4068, 4215, 4480, 4496, 4520, 4746, 5040, 5058, 5085, 5424, 5620, 5760, 5901, 6328, 6720, 6744, 6780, 7119, 7232, 7868, 7910, 8064, 8136, 8430, 8992, 9040, 9492, 9835, 10080, 10116, 10170, 10848, 11240, 11802, 11865, 12645, 12656, 13440, 13488, 13560, 14238, 14464, 15736, 15820, 16272, 16860, 17703, 17984, 18080, 18984, 19670, 20160, 20232, 20340, 21696, 22480, 23604, 23730, 25290, 25312, 26976, 27120, 28476, 29505, 31472, 31640, 31753, 32544, 33720, 35406, 35595, 35968, 36160, 37968, 39340, 40320, 40464, 40680, 43392, 44960, 47208, 47460, 50580, 50624, 53952, 54240, 56952, 59010, 62944, 63280, 63506, 65088, 67440, 70812, 71190, 72320, 75936, 78680, 80928, 81360, 88515, 89920, 94416, 94920, 95259, 101160, 101248, 107904, 108480, 113904, 118020, 125888, 126560, 127012, 130176, 134880, 141624, 142380, 151872, 157360, 158765, 161856, 162720, 177030, 179840, 188832, 189840, 190518, 202320, 216960, 222271, 227808, 236040, 251776, 253120, 254024, 269760, 283248, 284760, 285777, 303744, 314720, 317530, 323712, 325440, 354060, 377664, 379680, 381036, 404640, 444542, 455616, 472080, 476295, 506240, 508048, 539520, 566496, 569520, 571554, 629440, 635060, 650880, 666813, 708120, 755328, 759360, 762072, 809280, 889084, 911232, 944160, 952590, 1016096, 1111355, 1132992, 1139040, 1143108, 1258880, 1270120, 1333626, 1416240, 1428885, 1518720, 1524144, 1618560, 1778168, 1888320, 1905180, 2000439, 2032192, 2222710, 2265984, 2278080, 2286216, 2540240, 2667252, 2832480, 2857770, 3048288, 3334065, 3556336, 3776640, 3810360, 4000878, 4064384, 4445420, 4556160, 4572432, 5080480, 5334504, 5664960, 5715540, 6096576, 6668130, 7112672, 7620720, 8001756, 8890840, 9144864, 10002195, 10160960, 10669008, 11329920, 11431080, 12193152, 13336260, 14225344, 15241440, 16003512, 17781680, 18289728, 20004390, 20321920, 21338016, 22862160, 26672520, 28450688, 30482880, 32007024, 35563360, 36579456, 40008780, 42676032, 45724320, 53345040, 60965760, 64014048, 71126720, 80017560, 85352064, 91448640, 106690080, 128028096, 142253440, 160035120, 182897280, 213380160, 256056192, 320070240, 426760320, 640140480, 1280280960]

約数ペア:

[(1, 1280280960), (2, 640140480), (3, 426760320), (4, 320070240), (5, 256056192), (6, 213380160), (7, 182897280), (8, 160035120), (9, 142253440), (10, 128028096), (12, 106690080), (14, 91448640), (15, 85352064), (16, 80017560), (18, 71126720), (20, 64014048), (21, 60965760), (24, 53345040), (28, 45724320), (30, 42676032), (32, 40008780), (35, 36579456), (36, 35563360), (40, 32007024), (42, 30482880), (45, 28450688), (48, 26672520), (56, 22862160), (60, 21338016), (63, 20321920), (64, 20004390), (70, 18289728), (72, 17781680), (80, 16003512), (84, 15241440), (90, 14225344), (96, 13336260), (105, 12193152), (112, 11431080), (113, 11329920), (120, 10669008), (126, 10160960), (128, 10002195), (140, 9144864), (144, 8890840), (160, 8001756), (168, 7620720), (180, 7112672), (192, 6668130), (210, 6096576), (224, 5715540), (226, 5664960), (240, 5334504), (252, 5080480), (280, 4572432), (281, 4556160), (288, 4445420), (315, 4064384), (320, 4000878), (336, 3810360), (339, 3776640), (360, 3556336), (384, 3334065), (420, 3048288), (448, 2857770), (452, 2832480), (480, 2667252), (504, 2540240), (560, 2286216), (562, 2278080), (565, 2265984), (576, 2222710), (630, 2032192), (640, 2000439), (672, 1905180), (678, 1888320), (720, 1778168), (791, 1618560), (840, 1524144), (843, 1518720), (896, 1428885), (904, 1416240), (960, 1333626), (1008, 1270120), (1017, 1258880), (1120, 1143108), (1124, 1139040), (1130, 1132992), (1152, 1111355), (1260, 1016096), (1344, 952590), (1356, 944160), (1405, 911232), (1440, 889084), (1582, 809280), (1680, 762072), (1686, 759360), (1695, 755328), (1808, 708120), (1920, 666813), (1967, 650880), (2016, 635060), (2034, 629440), (2240, 571554), (2248, 569520), (2260, 566496), (2373, 539520), (2520, 508048), (2529, 506240), (2688, 476295), (2712, 472080), (2810, 455616), (2880, 444542), (3164, 404640), (3360, 381036), (3372, 379680), (3390, 377664), (3616, 354060), (3934, 325440), (3955, 323712), (4032, 317530), (4068, 314720), (4215, 303744), (4480, 285777), (4496, 284760), (4520, 283248), (4746, 269760), (5040, 254024), (5058, 253120), (5085, 251776), (5424, 236040), (5620, 227808), (5760, 222271), (5901, 216960), (6328, 202320), (6720, 190518), (6744, 189840), (6780, 188832), (7119, 179840), (7232, 177030), (7868, 162720), (7910, 161856), (8064, 158765), (8136, 157360), (8430, 151872), (8992, 142380), (9040, 141624), (9492, 134880), (9835, 130176), (10080, 127012), (10116, 126560), (10170, 125888), (10848, 118020), (11240, 113904), (11802, 108480), (11865, 107904), (12645, 101248), (12656, 101160), (13440, 95259), (13488, 94920), (13560, 94416), (14238, 89920), (14464, 88515), (15736, 81360), (15820, 80928), (16272, 78680), (16860, 75936), (17703, 72320), (17984, 71190), (18080, 70812), (18984, 67440), (19670, 65088), (20160, 63506), (20232, 63280), (20340, 62944), (21696, 59010), (22480, 56952), (23604, 54240), (23730, 53952), (25290, 50624), (25312, 50580), (26976, 47460), (27120, 47208), (28476, 44960), (29505, 43392), (31472, 40680), (31640, 40464), (31753, 40320), (32544, 39340), (33720, 37968), (35406, 36160), (35595, 35968)]