1639322576640

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{1879}}^1$

素因数の和:2293

約数の個数: 864

約数和(自身を含む): 6714000384000

約数和(自身を除く): 5074677807360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 64, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 128, 140, 144, 155, 160, 168, 180, 186, 192, 210, 217, 224, 240, 248, 252, 256, 279, 280, 288, 310, 315, 320, 336, 349, 360, 372, 384, 420, 434, 448, 465, 480, 496, 504, 558, 560, 576, 620, 630, 640, 651, 672, 698, 720, 744, 768, 840, 868, 896, 930, 960, 992, 1008, 1047, 1085, 1116, 1120, 1152, 1240, 1260, 1280, 1302, 1344, 1395, 1396, 1440, 1488, 1680, 1736, 1745, 1792, 1860, 1879, 1920, 1953, 1984, 2016, 2094, 2170, 2232, 2240, 2304, 2443, 2480, 2520, 2604, 2688, 2790, 2792, 2880, 2976, 3141, 3255, 3360, 3472, 3490, 3720, 3758, 3840, 3906, 3968, 4032, 4188, 4340, 4464, 4480, 4886, 4960, 5040, 5208, 5235, 5376, 5580, 5584, 5637, 5760, 5952, 6282, 6510, 6720, 6944, 6980, 7329, 7440, 7516, 7812, 7936, 8064, 8376, 8680, 8928, 8960, 9395, 9765, 9772, 9920, 10080, 10416, 10470, 10819, 11160, 11168, 11274, 11520, 11904, 12215, 12564, 13020, 13153, 13440, 13888, 13960, 14658, 14880, 15032, 15624, 15705, 16128, 16752, 16911, 17360, 17856, 18790, 19530, 19544, 19840, 20160, 20832, 20940, 21638, 21987, 22320, 22336, 22548, 23808, 24430, 25128, 26040, 26306, 26880, 27776, 27920, 28185, 29316, 29760, 30064, 31248, 31410, 32457, 33504, 33822, 34720, 35712, 36645, 37580, 39060, 39088, 39459, 39680, 40320, 41664, 41880, 43276, 43974, 44640, 44672, 45096, 48860, 50256, 52080, 52612, 54095, 55552, 55840, 56370, 58249, 58632, 59520, 60128, 62496, 62820, 64914, 65765, 67008, 67644, 69440, 71424, 73290, 75160, 75733, 78120, 78176, 78918, 80640, 83328, 83760, 84555, 86552, 87948, 89280, 89344, 90192, 97371, 97720, 100512, 104160, 105224, 108190, 109935, 111680, 112740, 116498, 117264, 118377, 119040, 120256, 124992, 125640, 129828, 131530, 134016, 135288, 138880, 146580, 150320, 151466, 156240, 156352, 157836, 162285, 166656, 167520, 169110, 173104, 174747, 175896, 178560, 180384, 194742, 195440, 197295, 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約数ペア:

[(1, 1639322576640), (2, 819661288320), (3, 546440858880), (4, 409830644160), (5, 327864515328), (6, 273220429440), (7, 234188939520), (8, 204915322080), (9, 182146952960), (10, 163932257664), (12, 136610214720), (14, 117094469760), (15, 109288171776), (16, 102457661040), (18, 91073476480), (20, 81966128832), (21, 78062979840), (24, 68305107360), (28, 58547234880), (30, 54644085888), (31, 52881373440), (32, 51228830520), (35, 46837787904), (36, 45536738240), (40, 40983064416), (42, 39031489920), (45, 36429390592), (48, 34152553680), (56, 29273617440), (60, 27322042944), (62, 26440686720), (63, 26020993280), (64, 25614415260), (70, 23418893952), (72, 22768369120), (80, 20491532208), (84, 19515744960), (90, 18214695296), (93, 17627124480), (96, 17076276840), (105, 15612595968), (112, 14636808720), (120, 13661021472), (124, 13220343360), (126, 13010496640), (128, 12807207630), (140, 11709446976), (144, 11384184560), (155, 10576274688), (160, 10245766104), (168, 9757872480), (180, 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1322034336), (1260, 1301049664), (1280, 1280720763), (1302, 1259080320), (1344, 1219734060), (1395, 1175141632), (1396, 1174299840), (1440, 1138418456), (1488, 1101695280), (1680, 975787248), (1736, 944310240), (1745, 939439872), (1792, 914800545), (1860, 881356224), (1879, 872444160), (1920, 853813842), (1953, 839386880), (1984, 826271460), (2016, 813156040), (2094, 782866560), (2170, 755448192), (2232, 734463520), (2240, 731840436), (2304, 711511535), (2443, 671028480), (2480, 661017168), (2520, 650524832), (2604, 629540160), (2688, 609867030), (2790, 587570816), (2792, 587149920), (2880, 569209228), (2976, 550847640), (3141, 521911040), (3255, 503632128), (3360, 487893624), (3472, 472155120), (3490, 469719936), (3720, 440678112), (3758, 436222080), (3840, 426906921), (3906, 419693440), (3968, 413135730), (4032, 406578020), (4188, 391433280), (4340, 377724096), (4464, 367231760), (4480, 365920218), (4886, 335514240), (4960, 330508584), (5040, 325262416), (5208, 314770080), (5235, 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(938112, 1747470), (947016, 1731040), (973710, 1683584), (1005120, 1630972), (1038624, 1578360), (1048482, 1563520), (1052240, 1557936), (1082304, 1514660), (1135995, 1443072), (1164980, 1407168), (1172640, 1397976), (1183770, 1384832), (1202560, 1363194), (1211728, 1352880), (1223229, 1340160), (1249920, 1311542), (1262688, 1298280)]