20812256640

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:812

約数の個数: 640

約数和(自身を含む): 86089893120

約数和(自身を除く): 65277636480

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, 54, 56, 60, 63, 64, 70, 72, 80, 81, 83, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 166, 168, 180, 189, 192, 210, 216, 224, 240, 249, 252, 270, 280, 288, 315, 320, 324, 332, 336, 360, 378, 384, 405, 415, 420, 432, 448, 480, 498, 504, 540, 560, 567, 576, 581, 630, 640, 648, 664, 672, 691, 720, 747, 756, 810, 830, 840, 864, 896, 945, 960, 996, 1008, 1080, 1120, 1134, 1152, 1162, 1245, 1260, 1296, 1328, 1344, 1382, 1440, 1494, 1512, 1620, 1660, 1680, 1728, 1743, 1890, 1920, 1992, 2016, 2073, 2160, 2240, 2241, 2268, 2324, 2490, 2520, 2592, 2656, 2688, 2764, 2835, 2880, 2905, 2988, 3024, 3240, 3320, 3360, 3455, 3456, 3486, 3735, 3780, 3984, 4032, 4146, 4320, 4480, 4482, 4536, 4648, 4837, 4980, 5040, 5184, 5229, 5312, 5528, 5670, 5760, 5810, 5976, 6048, 6219, 6480, 6640, 6720, 6723, 6910, 6972, 7470, 7560, 7968, 8064, 8292, 8640, 8715, 8964, 9072, 9296, 9674, 9960, 10080, 10365, 10368, 10458, 10624, 11056, 11205, 11340, 11620, 11952, 12096, 12438, 12960, 13280, 13440, 13446, 13820, 13944, 14511, 14940, 15120, 15687, 15936, 16584, 17280, 17430, 17928, 18144, 18592, 18657, 19348, 19920, 20160, 20730, 20916, 22112, 22410, 22680, 23240, 23904, 24185, 24192, 24876, 25920, 26145, 26560, 26892, 27640, 27888, 29022, 29880, 30240, 31095, 31374, 31872, 33168, 33615, 34860, 35856, 36288, 37184, 37314, 38696, 39840, 40320, 41460, 41832, 43533, 44224, 44820, 45360, 46480, 47061, 47808, 48370, 49752, 51840, 52290, 53120, 53784, 55280, 55776, 55971, 57353, 58044, 59760, 60480, 62190, 62748, 66336, 67230, 69720, 71712, 72555, 72576, 74368, 74628, 77392, 78435, 79680, 82920, 83664, 87066, 88448, 89640, 90720, 92960, 93285, 94122, 95616, 96740, 99504, 104580, 107568, 110560, 111552, 111942, 114706, 116088, 119520, 120960, 124380, 125496, 130599, 132672, 134460, 139440, 143424, 145110, 149256, 154784, 156870, 159360, 165840, 167328, 172059, 174132, 179280, 181440, 185920, 186570, 188244, 193480, 199008, 209160, 215136, 217665, 221120, 223104, 223884, 229412, 232176, 235305, 239040, 248760, 250992, 261198, 265344, 268920, 278880, 279855, 286765, 286848, 290220, 298512, 309568, 313740, 331680, 334656, 344118, 348264, 358560, 362880, 371840, 373140, 376488, 386960, 391797, 398016, 401471, 418320, 430272, 435330, 442240, 447768, 458824, 464352, 470610, 478080, 497520, 501984, 516177, 522396, 537840, 557760, 559710, 573530, 580440, 597024, 619136, 627480, 652995, 663360, 669312, 688236, 696528, 717120, 746280, 752976, 773920, 783594, 796032, 802942, 836640, 860295, 860544, 870660, 895536, 917648, 928704, 941220, 995040, 1003968, 1032354, 1044792, 1075680, 1115520, 1119420, 1147060, 1160880, 1194048, 1204413, 1254960, 1305990, 1326720, 1376472, 1393056, 1434240, 1492560, 1505952, 1547840, 1548531, 1567188, 1605884, 1673280, 1720590, 1741320, 1791072, 1835296, 1857408, 1882440, 1958985, 1990080, 2007355, 2007936, 2064708, 2089584, 2151360, 2238840, 2294120, 2321760, 2388096, 2408826, 2509920, 2580885, 2611980, 2752944, 2786112, 2985120, 3011904, 3095680, 3097062, 3134376, 3211768, 3346560, 3441180, 3482640, 3582144, 3613239, 3670592, 3764880, 3917970, 3980160, 4014710, 4129416, 4179168, 4302720, 4477680, 4588240, 4643520, 4645593, 4817652, 5019840, 5161770, 5223960, 5505888, 5572224, 5970240, 6022065, 6023808, 6194124, 6268752, 6423536, 6882360, 6965280, 7164288, 7226478, 7341184, 7529760, 7742655, 7835940, 8029420, 8258832, 8358336, 8955360, 9176480, 9287040, 9291186, 9635304, 10039680, 10323540, 10447920, 10839717, 11011776, 11940480, 12044130, 12388248, 12537504, 12847072, 13764720, 13930560, 14452956, 15059520, 15485310, 15671880, 16058840, 16517664, 16716672, 17910720, 18066195, 18352960, 18582372, 19270608, 20647080, 20895840, 21679434, 22023552, 23227965, 24088260, 24776496, 25075008, 25694144, 27529440, 27861120, 28905912, 30119040, 30970620, 31343760, 32117680, 32519151, 33035328, 35821440, 36132390, 36705920, 37164744, 38541216, 41294160, 41791680, 43358868, 46455930, 48176520, 49552992, 50150016, 51388288, 54198585, 55058880, 57811824, 61941240, 62687520, 64235360, 65038302, 66070656, 72264780, 74329488, 77082432, 82588320, 83583360, 86717736, 92911860, 96353040, 99105984, 108397170, 110117760, 115623648, 123882480, 125375040, 128470720, 130076604, 144529560, 148658976, 154164864, 162595755, 165176640, 173435472, 185823720, 192706080, 198211968, 216794340, 231247296, 247764960, 250750080, 256941440, 260153208, 289059120, 297317952, 325191510, 330353280, 346870944, 371647440, 385412160, 433588680, 462494592, 495529920, 520306416, 578118240, 594635904, 650383020, 693741888, 743294880, 770824320, 867177360, 991059840, 1040612832, 1156236480, 1300766040, 1387483776, 1486589760, 1734354720, 2081225664, 2312472960, 2601532080, 2973179520, 3468709440, 4162451328, 5203064160, 6937418880, 10406128320, 20812256640]

約数ペア:

[(1, 20812256640), (2, 10406128320), (3, 6937418880), (4, 5203064160), (5, 4162451328), (6, 3468709440), (7, 2973179520), (8, 2601532080), (9, 2312472960), (10, 2081225664), (12, 1734354720), (14, 1486589760), (15, 1387483776), (16, 1300766040), (18, 1156236480), (20, 1040612832), (21, 991059840), (24, 867177360), (27, 770824320), (28, 743294880), (30, 693741888), (32, 650383020), (35, 594635904), (36, 578118240), (40, 520306416), (42, 495529920), (45, 462494592), (48, 433588680), (54, 385412160), (56, 371647440), (60, 346870944), (63, 330353280), (64, 325191510), (70, 297317952), (72, 289059120), (80, 260153208), (81, 256941440), (83, 250750080), (84, 247764960), (90, 231247296), (96, 216794340), (105, 198211968), (108, 192706080), (112, 185823720), (120, 173435472), (126, 165176640), (128, 162595755), (135, 154164864), (140, 148658976), (144, 144529560), (160, 130076604), (162, 128470720), (166, 125375040), (168, 123882480), (180, 115623648), (189, 110117760), (192, 108397170), (210, 99105984), (216, 96353040), (224, 92911860), (240, 86717736), (249, 83583360), (252, 82588320), (270, 77082432), (280, 74329488), (288, 72264780), (315, 66070656), (320, 65038302), (324, 64235360), (332, 62687520), (336, 61941240), (360, 57811824), (378, 55058880), (384, 54198585), (405, 51388288), (415, 50150016), (420, 49552992), (432, 48176520), (448, 46455930), (480, 43358868), (498, 41791680), (504, 41294160), (540, 38541216), (560, 37164744), (567, 36705920), (576, 36132390), (581, 35821440), (630, 33035328), (640, 32519151), (648, 32117680), (664, 31343760), (672, 30970620), (691, 30119040), (720, 28905912), (747, 27861120), (756, 27529440), (810, 25694144), (830, 25075008), (840, 24776496), (864, 24088260), (896, 23227965), (945, 22023552), (960, 21679434), (996, 20895840), (1008, 20647080), (1080, 19270608), (1120, 18582372), (1134, 18352960), (1152, 18066195), (1162, 17910720), (1245, 16716672), (1260, 16517664), (1296, 16058840), (1328, 15671880), (1344, 15485310), (1382, 15059520), (1440, 14452956), (1494, 13930560), (1512, 13764720), (1620, 12847072), (1660, 12537504), (1680, 12388248), (1728, 12044130), (1743, 11940480), (1890, 11011776), (1920, 10839717), (1992, 10447920), (2016, 10323540), (2073, 10039680), (2160, 9635304), (2240, 9291186), (2241, 9287040), (2268, 9176480), (2324, 8955360), (2490, 8358336), (2520, 8258832), (2592, 8029420), (2656, 7835940), (2688, 7742655), (2764, 7529760), (2835, 7341184), (2880, 7226478), (2905, 7164288), (2988, 6965280), (3024, 6882360), (3240, 6423536), (3320, 6268752), (3360, 6194124), (3455, 6023808), (3456, 6022065), (3486, 5970240), (3735, 5572224), (3780, 5505888), (3984, 5223960), (4032, 5161770), (4146, 5019840), (4320, 4817652), (4480, 4645593), (4482, 4643520), (4536, 4588240), (4648, 4477680), (4837, 4302720), (4980, 4179168), (5040, 4129416), (5184, 4014710), (5229, 3980160), (5312, 3917970), (5528, 3764880), (5670, 3670592), (5760, 3613239), (5810, 3582144), (5976, 3482640), (6048, 3441180), (6219, 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(23240, 895536), (23904, 870660), (24185, 860544), (24192, 860295), (24876, 836640), (25920, 802942), (26145, 796032), (26560, 783594), (26892, 773920), (27640, 752976), (27888, 746280), (29022, 717120), (29880, 696528), (30240, 688236), (31095, 669312), (31374, 663360), (31872, 652995), (33168, 627480), (33615, 619136), (34860, 597024), (35856, 580440), (36288, 573530), (37184, 559710), (37314, 557760), (38696, 537840), (39840, 522396), (40320, 516177), (41460, 501984), (41832, 497520), (43533, 478080), (44224, 470610), (44820, 464352), (45360, 458824), (46480, 447768), (47061, 442240), (47808, 435330), (48370, 430272), (49752, 418320), (51840, 401471), (52290, 398016), (53120, 391797), (53784, 386960), (55280, 376488), (55776, 373140), (55971, 371840), (57353, 362880), (58044, 358560), (59760, 348264), (60480, 344118), (62190, 334656), (62748, 331680), (66336, 313740), (67230, 309568), (69720, 298512), (71712, 290220), (72555, 286848), (72576, 286765), (74368, 279855), (74628, 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