640140480

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:424

約数の個数: 336

約数和(自身を含む): 2547664704

約数和(自身を除く): 1907524224

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, 140, 144, 160, 168, 180, 192, 210, 224, 226, 240, 252, 280, 281, 288, 315, 320, 336, 339, 360, 420, 448, 452, 480, 504, 560, 562, 565, 576, 630, 672, 678, 720, 791, 840, 843, 904, 960, 1008, 1017, 1120, 1124, 1130, 1260, 1344, 1356, 1405, 1440, 1582, 1680, 1686, 1695, 1808, 1967, 2016, 2034, 2240, 2248, 2260, 2373, 2520, 2529, 2712, 2810, 2880, 3164, 3360, 3372, 3390, 3616, 3934, 3955, 4032, 4068, 4215, 4496, 4520, 4746, 5040, 5058, 5085, 5424, 5620, 5901, 6328, 6720, 6744, 6780, 7119, 7232, 7868, 7910, 8136, 8430, 8992, 9040, 9492, 9835, 10080, 10116, 10170, 10848, 11240, 11802, 11865, 12645, 12656, 13488, 13560, 14238, 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, 36160, 37968, 39340, 40464, 40680, 44960, 47208, 47460, 50580, 50624, 53952, 54240, 56952, 59010, 62944, 63280, 63506, 65088, 67440, 70812, 71190, 75936, 78680, 80928, 81360, 88515, 89920, 94416, 94920, 95259, 101160, 108480, 113904, 118020, 125888, 126560, 127012, 134880, 141624, 142380, 151872, 157360, 158765, 161856, 162720, 177030, 188832, 189840, 190518, 202320, 222271, 227808, 236040, 253120, 254024, 269760, 283248, 284760, 285777, 314720, 317530, 325440, 354060, 377664, 379680, 381036, 404640, 444542, 455616, 472080, 476295, 508048, 566496, 569520, 571554, 629440, 635060, 666813, 708120, 759360, 762072, 809280, 889084, 944160, 952590, 1016096, 1111355, 1132992, 1139040, 1143108, 1270120, 1333626, 1416240, 1428885, 1524144, 1778168, 1888320, 1905180, 2000439, 2032192, 2222710, 2278080, 2286216, 2540240, 2667252, 2832480, 2857770, 3048288, 3334065, 3556336, 3810360, 4000878, 4445420, 4572432, 5080480, 5334504, 5664960, 5715540, 6096576, 6668130, 7112672, 7620720, 8001756, 8890840, 9144864, 10002195, 10160960, 10669008, 11431080, 13336260, 14225344, 15241440, 16003512, 17781680, 18289728, 20004390, 21338016, 22862160, 26672520, 30482880, 32007024, 35563360, 40008780, 42676032, 45724320, 53345040, 64014048, 71126720, 80017560, 91448640, 106690080, 128028096, 160035120, 213380160, 320070240, 640140480]

約数ペア:

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