20505018240

素因数分解:

$2^7\times 3^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 768

約数和(自身を含む): 86079758400

約数和(自身を除く): 65574740160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 61, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 122, 126, 128, 135, 140, 144, 147, 160, 168, 180, 183, 189, 192, 196, 210, 216, 224, 240, 244, 245, 252, 270, 280, 288, 294, 305, 315, 320, 336, 360, 366, 378, 384, 392, 397, 420, 427, 432, 441, 448, 480, 488, 490, 504, 540, 549, 560, 576, 588, 610, 630, 640, 672, 720, 732, 735, 756, 784, 794, 840, 854, 864, 882, 896, 915, 945, 960, 976, 980, 1008, 1080, 1098, 1120, 1152, 1176, 1191, 1220, 1260, 1281, 1323, 1344, 1440, 1464, 1470, 1512, 1568, 1588, 1647, 1680, 1708, 1728, 1764, 1830, 1890, 1920, 1952, 1960, 1985, 2016, 2135, 2160, 2196, 2205, 2240, 2352, 2382, 2440, 2520, 2562, 2646, 2688, 2745, 2779, 2880, 2928, 2940, 2989, 3024, 3136, 3176, 3294, 3360, 3416, 3456, 3528, 3573, 3660, 3780, 3843, 3904, 3920, 3970, 4032, 4270, 4320, 4392, 4410, 4480, 4704, 4764, 4880, 5040, 5124, 5292, 5490, 5558, 5760, 5856, 5880, 5955, 5978, 6048, 6272, 6352, 6405, 6588, 6615, 6720, 6832, 7056, 7146, 7320, 7560, 7686, 7808, 7840, 7940, 8064, 8235, 8337, 8540, 8640, 8784, 8820, 8967, 9408, 9528, 9760, 10080, 10248, 10584, 10719, 10980, 11116, 11529, 11712, 11760, 11910, 11956, 12096, 12704, 12810, 13176, 13230, 13440, 13664, 13895, 14112, 14292, 14640, 14945, 15120, 15372, 15680, 15880, 16470, 16674, 17080, 17280, 17568, 17640, 17865, 17934, 18816, 19056, 19215, 19453, 19520, 20160, 20496, 21168, 21438, 21960, 22232, 23058, 23424, 23520, 23820, 23912, 24192, 24217, 25011, 25408, 25620, 26352, 26460, 26901, 27328, 27790, 28224, 28584, 29280, 29890, 30240, 30744, 31360, 31760, 32940, 33348, 34160, 35136, 35280, 35730, 35868, 38112, 38430, 38906, 39040, 40320, 40992, 41685, 42336, 42876, 43920, 44464, 44835, 46116, 47040, 47640, 47824, 48434, 50022, 50816, 51240, 52704, 52920, 53595, 53802, 54656, 55580, 56448, 57168, 57645, 58359, 58560, 59780, 60480, 61488, 63520, 65880, 66696, 68320, 70272, 70560, 71460, 71736, 72651, 75033, 76224, 76860, 77812, 80703, 81984, 83370, 84672, 85752, 87840, 88928, 89670, 92232, 94080, 95280, 95648, 96868, 97265, 100044, 102480, 105408, 105840, 107190, 107604, 111160, 114336, 115290, 116718, 117120, 119560, 120960, 121085, 122976, 125055, 127040, 131760, 133392, 134505, 136640, 141120, 142920, 143472, 145302, 150066, 152448, 153720, 155624, 161406, 163968, 166740, 169344, 169519, 171504, 175077, 175680, 177856, 179340, 184464, 190560, 191296, 193736, 194530, 200088, 204960, 210816, 211680, 214380, 215208, 217953, 222320, 228672, 230580, 233436, 239120, 242170, 245952, 250110, 254080, 263520, 266784, 269010, 273280, 282240, 285840, 286944, 290604, 291795, 300132, 307440, 311248, 322812, 333480, 339038, 343008, 350154, 351360, 355712, 358680, 363255, 368928, 375165, 381120, 382592, 387472, 389060, 400176, 403515, 409920, 423360, 428760, 430416, 435906, 444640, 457344, 461160, 466872, 478240, 484340, 491904, 500220, 508557, 525231, 527040, 533568, 538020, 571680, 573888, 581208, 583590, 600264, 614880, 622496, 645624, 653859, 666960, 678076, 686016, 700308, 717360, 726510, 737856, 750330, 762240, 774944, 778120, 800352, 807030, 819840, 846720, 847595, 857520, 860832, 871812, 875385, 889280, 922320, 933744, 956480, 968680, 1000440, 1017114, 1050462, 1054080, 1067136, 1076040, 1089765, 1143360, 1147776, 1162416, 1167180, 1186633, 1200528, 1229760, 1244992, 1291248, 1307718, 1333920, 1356152, 1372032, 1400616, 1434720, 1453020, 1475712, 1500660, 1525671, 1549888, 1556240, 1600704, 1614060, 1695190, 1715040, 1721664, 1743624, 1750770, 1778560, 1844640, 1867488, 1912960, 1937360, 2000880, 2034228, 2100924, 2152080, 2179530, 2286720, 2324832, 2334360, 2373266, 2401056, 2459520, 2489984, 2542785, 2582496, 2615436, 2626155, 2667840, 2712304, 2801232, 2869440, 2906040, 3001320, 3051342, 3099776, 3112480, 3201408, 3228120, 3269295, 3390380, 3430080, 3443328, 3487248, 3501540, 3559899, 3689280, 3734976, 3874720, 4001760, 4068456, 4201848, 4304160, 4359060, 4577013, 4649664, 4668720, 4746532, 4802112, 5085570, 5164992, 5230872, 5252310, 5335680, 5424608, 5602464, 5738880, 5812080, 5933165, 6002640, 6102684, 6224960, 6456240, 6538590, 6780760, 6860160, 6974496, 7003080, 7119798, 7378560, 7469952, 7628355, 7749440, 8003520, 8136912, 8403696, 8608320, 8718120, 9154026, 9299328, 9337440, 9493064, 9604224, 10171140, 10329984, 10461744, 10504620, 10679697, 10849216, 11204928, 11624160, 11866330, 12005280, 12205368, 12449920, 12912480, 13077180, 13561520, 13948992, 14006160, 14239596, 15256710, 15498880, 16007040, 16273824, 16807392, 17216640, 17436240, 17799495, 18308052, 18674880, 18986128, 20342280, 20923488, 21009240, 21359394, 21698432, 22409856, 22885065, 23248320, 23732660, 24010560, 24410736, 25824960, 26154360, 27123040, 27897984, 28012320, 28479192, 30513420, 32039091, 32547648, 33614784, 34872480, 35598990, 36616104, 37349760, 37972256, 40684560, 41846976, 42018480, 42718788, 45770130, 46496640, 47465320, 48021120, 48821472, 51649920, 52308720, 53398485, 54246080, 56024640, 56958384, 61026840, 64078182, 65095296, 67229568, 69744960, 71197980, 73232208, 75944512, 81369120, 83693952, 84036960, 85437576, 91540260, 94930640, 97642944, 104617440, 106796970, 108492160, 112049280, 113916768, 122053680, 128156364, 139489920, 142395960, 146464416, 151889024, 160195455, 162738240, 168073920, 170875152, 183080520, 189861280, 195285888, 209234880, 213593940, 227833536, 244107360, 256312728, 284791920, 292928832, 320390910, 325476480, 336147840, 341750304, 366161040, 379722560, 418469760, 427187880, 455667072, 488214720, 512625456, 569583840, 585857664, 640781820, 683500608, 732322080, 759445120, 854375760, 976429440, 1025250912, 1139167680, 1281563640, 1367001216, 1464644160, 1708751520, 2050501824, 2278335360, 2563127280, 2929288320, 3417503040, 4101003648, 5126254560, 6835006080, 10252509120, 20505018240]

約数ペア:

[(1, 20505018240), (2, 10252509120), (3, 6835006080), (4, 5126254560), (5, 4101003648), (6, 3417503040), (7, 2929288320), (8, 2563127280), (9, 2278335360), (10, 2050501824), (12, 1708751520), (14, 1464644160), (15, 1367001216), (16, 1281563640), (18, 1139167680), (20, 1025250912), (21, 976429440), (24, 854375760), (27, 759445120), (28, 732322080), (30, 683500608), (32, 640781820), (35, 585857664), (36, 569583840), (40, 512625456), (42, 488214720), (45, 455667072), (48, 427187880), (49, 418469760), (54, 379722560), (56, 366161040), (60, 341750304), (61, 336147840), (63, 325476480), (64, 320390910), (70, 292928832), (72, 284791920), (80, 256312728), (84, 244107360), (90, 227833536), (96, 213593940), (98, 209234880), (105, 195285888), (108, 189861280), (112, 183080520), (120, 170875152), (122, 168073920), (126, 162738240), (128, 160195455), (135, 151889024), (140, 146464416), (144, 142395960), (147, 139489920), (160, 128156364), (168, 122053680), (180, 113916768), (183, 112049280), (189, 108492160), (192, 106796970), (196, 104617440), (210, 97642944), (216, 94930640), (224, 91540260), (240, 85437576), (244, 84036960), (245, 83693952), (252, 81369120), (270, 75944512), (280, 73232208), (288, 71197980), (294, 69744960), (305, 67229568), (315, 65095296), (320, 64078182), (336, 61026840), (360, 56958384), (366, 56024640), (378, 54246080), (384, 53398485), (392, 52308720), (397, 51649920), (420, 48821472), (427, 48021120), (432, 47465320), (441, 46496640), (448, 45770130), (480, 42718788), (488, 42018480), (490, 41846976), (504, 40684560), (540, 37972256), (549, 37349760), (560, 36616104), (576, 35598990), (588, 34872480), (610, 33614784), (630, 32547648), (640, 32039091), (672, 30513420), (720, 28479192), (732, 28012320), (735, 27897984), (756, 27123040), (784, 26154360), (794, 25824960), (840, 24410736), (854, 24010560), (864, 23732660), (882, 23248320), (896, 22885065), (915, 22409856), (945, 21698432), (960, 21359394), (976, 21009240), (980, 20923488), (1008, 20342280), (1080, 18986128), (1098, 18674880), (1120, 18308052), (1152, 17799495), (1176, 17436240), (1191, 17216640), (1220, 16807392), (1260, 16273824), (1281, 16007040), (1323, 15498880), (1344, 15256710), (1440, 14239596), (1464, 14006160), (1470, 13948992), (1512, 13561520), (1568, 13077180), (1588, 12912480), (1647, 12449920), (1680, 12205368), (1708, 12005280), (1728, 11866330), (1764, 11624160), (1830, 11204928), (1890, 10849216), (1920, 10679697), (1952, 10504620), (1960, 10461744), (1985, 10329984), (2016, 10171140), (2135, 9604224), (2160, 9493064), (2196, 9337440), (2205, 9299328), (2240, 9154026), (2352, 8718120), (2382, 8608320), (2440, 8403696), (2520, 8136912), (2562, 8003520), (2646, 7749440), (2688, 7628355), (2745, 7469952), (2779, 7378560), (2880, 7119798), (2928, 7003080), (2940, 6974496), (2989, 6860160), (3024, 6780760), (3136, 6538590), (3176, 6456240), (3294, 6224960), (3360, 6102684), (3416, 6002640), (3456, 5933165), (3528, 5812080), (3573, 5738880), (3660, 5602464), (3780, 5424608), (3843, 5335680), (3904, 5252310), (3920, 5230872), (3970, 5164992), (4032, 5085570), (4270, 4802112), (4320, 4746532), (4392, 4668720), (4410, 4649664), (4480, 4577013), (4704, 4359060), (4764, 4304160), (4880, 4201848), (5040, 4068456), (5124, 4001760), (5292, 3874720), (5490, 3734976), (5558, 3689280), (5760, 3559899), (5856, 3501540), (5880, 3487248), (5955, 3443328), (5978, 3430080), (6048, 3390380), (6272, 3269295), (6352, 3228120), (6405, 3201408), (6588, 3112480), (6615, 3099776), (6720, 3051342), (6832, 3001320), (7056, 2906040), (7146, 2869440), (7320, 2801232), (7560, 2712304), (7686, 2667840), (7808, 2626155), (7840, 2615436), (7940, 2582496), (8064, 2542785), (8235, 2489984), (8337, 2459520), (8540, 2401056), (8640, 2373266), (8784, 2334360), (8820, 2324832), (8967, 2286720), (9408, 2179530), (9528, 2152080), (9760, 2100924), (10080, 2034228), (10248, 2000880), (10584, 1937360), (10719, 1912960), (10980, 1867488), (11116, 1844640), (11529, 1778560), (11712, 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