20978334720

素因数分解:

$2^{10}\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 1056

約数和(自身を含む): 91849708800

約数和(自身を除く): 70871374080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 98, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 147, 152, 160, 163, 168, 171, 180, 189, 190, 192, 196, 210, 216, 224, 228, 240, 245, 252, 256, 266, 270, 280, 285, 288, 294, 304, 315, 320, 326, 336, 342, 360, 378, 380, 384, 392, 399, 420, 432, 441, 448, 456, 480, 489, 490, 504, 512, 513, 532, 540, 560, 570, 576, 588, 608, 630, 640, 652, 665, 672, 684, 720, 735, 756, 760, 768, 784, 798, 815, 840, 855, 864, 882, 896, 912, 931, 945, 960, 978, 980, 1008, 1024, 1026, 1064, 1080, 1120, 1140, 1141, 1152, 1176, 1197, 1216, 1260, 1280, 1304, 1323, 1330, 1344, 1368, 1440, 1467, 1470, 1512, 1520, 1536, 1568, 1596, 1630, 1680, 1710, 1728, 1764, 1792, 1824, 1862, 1890, 1920, 1956, 1960, 1995, 2016, 2052, 2128, 2160, 2205, 2240, 2280, 2282, 2304, 2352, 2394, 2432, 2445, 2520, 2560, 2565, 2608, 2646, 2660, 2688, 2736, 2793, 2880, 2934, 2940, 3024, 3040, 3072, 3097, 3136, 3192, 3260, 3360, 3420, 3423, 3456, 3528, 3584, 3591, 3648, 3724, 3780, 3840, 3912, 3920, 3990, 4032, 4104, 4256, 4320, 4401, 4410, 4480, 4560, 4564, 4608, 4655, 4704, 4788, 4864, 4890, 5040, 5120, 5130, 5216, 5292, 5320, 5376, 5472, 5586, 5705, 5760, 5868, 5880, 5985, 6048, 6080, 6194, 6272, 6384, 6520, 6615, 6720, 6840, 6846, 6912, 7056, 7168, 7182, 7296, 7335, 7448, 7560, 7680, 7824, 7840, 7980, 7987, 8064, 8208, 8379, 8512, 8640, 8802, 8820, 8960, 9120, 9128, 9216, 9291, 9310, 9408, 9576, 9728, 9780, 10080, 10260, 10269, 10432, 10584, 10640, 10752, 10944, 11172, 11410, 11520, 11736, 11760, 11970, 12096, 12160, 12388, 12544, 12768, 13040, 13230, 13440, 13680, 13692, 13824, 13965, 14112, 14364, 14592, 14670, 14896, 15120, 15360, 15485, 15648, 15680, 15960, 15974, 16128, 16416, 16758, 17024, 17115, 17280, 17604, 17640, 17920, 17955, 18240, 18256, 18582, 18620, 18816, 19152, 19456, 19560, 20160, 20520, 20538, 20864, 21168, 21280, 21504, 21679, 21888, 22005, 22344, 22820, 23040, 23472, 23520, 23940, 23961, 24192, 24320, 24776, 25088, 25137, 25536, 26080, 26460, 26880, 27360, 27384, 27648, 27873, 27930, 28224, 28728, 29184, 29340, 29792, 30240, 30807, 30970, 31296, 31360, 31920, 31948, 32256, 32832, 33516, 34048, 34230, 34560, 35208, 35280, 35840, 35910, 36480, 36512, 37164, 37240, 37632, 38304, 39120, 39935, 40320, 41040, 41076, 41728, 41895, 42336, 42560, 43358, 43776, 44010, 44688, 45640, 46080, 46455, 46944, 47040, 47880, 47922, 48384, 48640, 49552, 50176, 50274, 51072, 51345, 52160, 52920, 53760, 54720, 54768, 55746, 55860, 56448, 57456, 58368, 58680, 59584, 60480, 61614, 61940, 62592, 62720, 63840, 63896, 64512, 65037, 65664, 67032, 68096, 68460, 69120, 70416, 70560, 71820, 71883, 72960, 73024, 74328, 74480, 75264, 76608, 78240, 79870, 80640, 82080, 82152, 83456, 83619, 83790, 84672, 85120, 86716, 87552, 88020, 89376, 91280, 92910, 93888, 94080, 95760, 95844, 96768, 97280, 99104, 100548, 102144, 102690, 104320, 105840, 107520, 108395, 109440, 109536, 111492, 111720, 112896, 114912, 117360, 119168, 119805, 120960, 123228, 123880, 125184, 125440, 125685, 127680, 127792, 130074, 131328, 134064, 136192, 136920, 138240, 139365, 140832, 141120, 143640, 143766, 145920, 146048, 148656, 148960, 150528, 151753, 153216, 154035, 156480, 159740, 161280, 164160, 164304, 166912, 167238, 167580, 169344, 170240, 173432, 175104, 176040, 178752, 182560, 185820, 187776, 188160, 191520, 191688, 193536, 195111, 198208, 201096, 204288, 205380, 208640, 211680, 215649, 216790, 218880, 219072, 222984, 223440, 225792, 229824, 234720, 238336, 239610, 241920, 246456, 247760, 250368, 250880, 251370, 255360, 255584, 260148, 262656, 268128, 273840, 278730, 281664, 282240, 287280, 287532, 291840, 292096, 297312, 297920, 303506, 306432, 308070, 312960, 319480, 322560, 325185, 328320, 328608, 334476, 335160, 338688, 340480, 346864, 352080, 357504, 359415, 365120, 371640, 375552, 376320, 383040, 383376, 390222, 396416, 402192, 408576, 410760, 417280, 418095, 423360, 431298, 433580, 437760, 438144, 445968, 446880, 451584, 455259, 459648, 469440, 476672, 479220, 483840, 492912, 495520, 500736, 502740, 510720, 511168, 520296, 525312, 536256, 547680, 557460, 563328, 564480, 574560, 575064, 584192, 585333, 594624, 595840, 607012, 612864, 616140, 625920, 638960, 650370, 656640, 657216, 668952, 670320, 677376, 680960, 693728, 704160, 715008, 718830, 730240, 743280, 751104, 752640, 758765, 766080, 766752, 780444, 792832, 804384, 821520, 834560, 836190, 846720, 862596, 867160, 875520, 876288, 891936, 893760, 910518, 919296, 938880, 953344, 958440, 967680, 975555, 985824, 991040, 1005480, 1021440, 1022336, 1040592, 1072512, 1078245, 1095360, 1114920, 1126656, 1128960, 1149120, 1150128, 1168384, 1170666, 1189248, 1191680, 1214024, 1225728, 1232280, 1251840, 1277920, 1300740, 1313280, 1314432, 1337904, 1340640, 1354752, 1365777, 1387456, 1408320, 1430016, 1437660, 1460480, 1486560, 1502208, 1517530, 1532160, 1533504, 1560888, 1585664, 1608768, 1643040, 1672380, 1693440, 1725192, 1734320, 1752576, 1783872, 1787520, 1821036, 1838592, 1877760, 1916880, 1951110, 1971648, 1982080, 2010960, 2042880, 2044672, 2081184, 2145024, 2156490, 2190720, 2229840, 2253312, 2257920, 2276295, 2298240, 2300256, 2341332, 2378496, 2383360, 2428048, 2464560, 2503680, 2555840, 2601480, 2626560, 2628864, 2675808, 2681280, 2731554, 2774912, 2816640, 2860032, 2875320, 2920960, 2926665, 2973120, 3035060, 3064320, 3067008, 3121776, 3171328, 3217536, 3286080, 3344760, 3386880, 3450384, 3468640, 3505152, 3567744, 3575040, 3642072, 3677184, 3755520, 3833760, 3902220, 3943296, 3964160, 4021920, 4089344, 4097331, 4162368, 4290048, 4312980, 4381440, 4459680, 4506624, 4552590, 4596480, 4600512, 4682664, 4756992, 4766720, 4856096, 4929120, 5111680, 5202960, 5257728, 5351616, 5362560, 5463108, 5549824, 5633280, 5750640, 5841920, 5853330, 5946240, 6070120, 6128640, 6134016, 6243552, 6435072, 6572160, 6689520, 6773760, 6828885, 6900768, 6937280, 7135488, 7150080, 7284144, 7511040, 7667520, 7804440, 7886592, 7928320, 8043840, 8178688, 8194662, 8324736, 8580096, 8625960, 8762880, 8919360, 9105180, 9192960, 9201024, 9365328, 9513984, 9712192, 9858240, 10223360, 10405920, 10515456, 10703232, 10725120, 10926216, 11099648, 11266560, 11501280, 11706660, 11892480, 12140240, 12268032, 12487104, 12870144, 13144320, 13379040, 13657770, 13801536, 13874560, 14270976, 14300160, 14568288, 15335040, 15608880, 15773184, 15856640, 16087680, 16389324, 16649472, 17251920, 17525760, 17838720, 18210360, 18385920, 18402048, 18730656, 19424384, 19716480, 20446720, 20486655, 20811840, 21406464, 21450240, 21852432, 22199296, 22533120, 23002560, 23413320, 23784960, 24280480, 24536064, 24974208, 25740288, 26288640, 26758080, 27315540, 27603072, 27749120, 28541952, 29136576, 30670080, 31217760, 31546368, 32175360, 32778648, 33298944, 34503840, 35677440, 36420720, 36804096, 37461312, 38848768, 39432960, 40893440, 40973310, 41623680, 42812928, 42900480, 43704864, 46005120, 46826640, 47569920, 48560960, 49948416, 52577280, 53516160, 54631080, 55206144, 55498240, 58273152, 61340160, 62435520, 64350720, 65557296, 66597888, 69007680, 71354880, 72841440, 73608192, 74922624, 77697536, 78865920, 81946620, 83247360, 85625856, 87409728, 92010240, 93653280, 97121920, 99896832, 107032320, 109262160, 110412288, 110996480, 116546304, 122680320, 124871040, 128701440, 131114592, 138015360, 142709760, 145682880, 149845248, 155395072, 157731840, 163893240, 166494720, 174819456, 184020480, 187306560, 194243840, 199793664, 214064640, 218524320, 220824576, 233092608, 249742080, 262229184, 276030720, 291365760, 299690496, 327786480, 332989440, 349638912, 368040960, 374613120, 388487680, 428129280, 437048640, 466185216, 499484160, 524458368, 552061440, 582731520, 599380992, 655572960, 699277824, 749226240, 776975360, 874097280, 998968320, 1048916736, 1104122880, 1165463040, 1311145920, 1398555648, 1498452480, 1748194560, 2097833472, 2330926080, 2622291840, 2996904960, 3496389120, 4195666944, 5244583680, 6992778240, 10489167360, 20978334720]

約数ペア:

[(1, 20978334720), (2, 10489167360), (3, 6992778240), (4, 5244583680), (5, 4195666944), (6, 3496389120), (7, 2996904960), (8, 2622291840), (9, 2330926080), (10, 2097833472), (12, 1748194560), (14, 1498452480), (15, 1398555648), (16, 1311145920), (18, 1165463040), (19, 1104122880), (20, 1048916736), (21, 998968320), (24, 874097280), (27, 776975360), (28, 749226240), (30, 699277824), (32, 655572960), (35, 599380992), (36, 582731520), (38, 552061440), (40, 524458368), (42, 499484160), (45, 466185216), (48, 437048640), (49, 428129280), (54, 388487680), (56, 374613120), (57, 368040960), (60, 349638912), (63, 332989440), (64, 327786480), (70, 299690496), (72, 291365760), (76, 276030720), (80, 262229184), (84, 249742080), (90, 233092608), (95, 220824576), (96, 218524320), (98, 214064640), (105, 199793664), (108, 194243840), (112, 187306560), (114, 184020480), (120, 174819456), (126, 166494720), (128, 163893240), (133, 157731840), (135, 155395072), (140, 149845248), (144, 145682880), (147, 142709760), (152, 138015360), (160, 131114592), (163, 128701440), (168, 124871040), (171, 122680320), (180, 116546304), (189, 110996480), (190, 110412288), (192, 109262160), (196, 107032320), (210, 99896832), (216, 97121920), (224, 93653280), (228, 92010240), (240, 87409728), (245, 85625856), (252, 83247360), (256, 81946620), (266, 78865920), (270, 77697536), (280, 74922624), (285, 73608192), (288, 72841440), (294, 71354880), (304, 69007680), (315, 66597888), (320, 65557296), (326, 64350720), (336, 62435520), (342, 61340160), (360, 58273152), (378, 55498240), (380, 55206144), (384, 54631080), (392, 53516160), (399, 52577280), (420, 49948416), (432, 48560960), (441, 47569920), (448, 46826640), (456, 46005120), (480, 43704864), (489, 42900480), (490, 42812928), (504, 41623680), (512, 40973310), (513, 40893440), (532, 39432960), (540, 38848768), (560, 37461312), (570, 36804096), (576, 36420720), (588, 35677440), (608, 34503840), (630, 33298944), (640, 32778648), (652, 32175360), (665, 31546368), (672, 31217760), (684, 30670080), (720, 29136576), (735, 28541952), (756, 27749120), (760, 27603072), (768, 27315540), (784, 26758080), (798, 26288640), (815, 25740288), (840, 24974208), (855, 24536064), (864, 24280480), (882, 23784960), (896, 23413320), (912, 23002560), (931, 22533120), (945, 22199296), (960, 21852432), (978, 21450240), (980, 21406464), (1008, 20811840), (1024, 20486655), (1026, 20446720), (1064, 19716480), (1080, 19424384), (1120, 18730656), (1140, 18402048), (1141, 18385920), (1152, 18210360), (1176, 17838720), (1197, 17525760), (1216, 17251920), (1260, 16649472), (1280, 16389324), (1304, 16087680), (1323, 15856640), (1330, 15773184), (1344, 15608880), (1368, 15335040), (1440, 14568288), (1467, 14300160), (1470, 14270976), (1512, 13874560), (1520, 13801536), (1536, 13657770), (1568, 13379040), (1596, 13144320), (1630, 12870144), (1680, 12487104), (1710, 12268032), (1728, 12140240), (1764, 11892480), (1792, 11706660), (1824, 11501280), (1862, 11266560), (1890, 11099648), (1920, 10926216), (1956, 10725120), (1960, 10703232), (1995, 10515456), (2016, 10405920), (2052, 10223360), (2128, 9858240), (2160, 9712192), (2205, 9513984), (2240, 9365328), (2280, 9201024), (2282, 9192960), (2304, 9105180), (2352, 8919360), (2394, 8762880), (2432, 8625960), (2445, 8580096), (2520, 8324736), (2560, 8194662), (2565, 8178688), (2608, 8043840), (2646, 7928320), (2660, 7886592), (2688, 7804440), (2736, 7667520), (2793, 7511040), (2880, 7284144), (2934, 7150080), (2940, 7135488), (3024, 6937280), (3040, 6900768), (3072, 6828885), (3097, 6773760), (3136, 6689520), (3192, 6572160), (3260, 6435072), (3360, 6243552), (3420, 6134016), (3423, 6128640), (3456, 6070120), (3528, 5946240), (3584, 5853330), (3591, 5841920), (3648, 5750640), (3724, 5633280), (3780, 5549824), (3840, 5463108), (3912, 5362560), (3920, 5351616), (3990, 5257728), (4032, 5202960), (4104, 5111680), (4256, 4929120), (4320, 4856096), (4401, 4766720), (4410, 4756992), (4480, 4682664), (4560, 4600512), (4564, 4596480), (4608, 4552590), (4655, 4506624), (4704, 4459680), (4788, 4381440), (4864, 4312980), (4890, 4290048), (5040, 4162368), (5120, 4097331), (5130, 4089344), (5216, 4021920), (5292, 3964160), (5320, 3943296), (5376, 3902220), (5472, 3833760), (5586, 3755520), (5705, 3677184), (5760, 3642072), (5868, 3575040), (5880, 3567744), (5985, 3505152), (6048, 3468640), (6080, 3450384), (6194, 3386880), (6272, 3344760), (6384, 3286080), (6520, 3217536), (6615, 3171328), (6720, 3121776), (6840, 3067008), (6846, 3064320), (6912, 3035060), (7056, 2973120), (7168, 2926665), (7182, 2920960), (7296, 2875320), (7335, 2860032), (7448, 2816640), (7560, 2774912), (7680, 2731554), (7824, 2681280), (7840, 2675808), (7980, 2628864), (7987, 2626560), (8064, 2601480), (8208, 2555840), (8379, 2503680), (8512, 2464560), (8640, 2428048), (8802, 2383360), (8820, 2378496), (8960, 2341332), (9120, 2300256), (9128, 2298240), (9216, 2276295), (9291, 2257920), (9310, 2253312), (9408, 2229840), (9576, 2190720), (9728, 2156490), (9780, 2145024), (10080, 2081184), (10260, 2044672), (10269, 2042880), (10432, 2010960), (10584, 1982080), (10640, 1971648), (10752, 1951110), (10944, 1916880), (11172, 1877760), (11410, 1838592), (11520, 1821036), (11736, 1787520), (11760, 1783872), (11970, 1752576), (12096, 1734320), (12160, 1725192), (12388, 1693440), (12544, 1672380), (12768, 1643040), (13040, 1608768), (13230, 1585664), (13440, 1560888), (13680, 1533504), (13692, 1532160), (13824, 1517530), (13965, 1502208), (14112, 1486560), (14364, 1460480), (14592, 1437660), (14670, 1430016), (14896, 1408320), (15120, 1387456), (15360, 1365777), (15485, 1354752), (15648, 1340640), (15680, 1337904), (15960, 1314432), (15974, 1313280), (16128, 1300740), (16416, 1277920), (16758, 1251840), (17024, 1232280), (17115, 1225728), (17280, 1214024), (17604, 1191680), (17640, 1189248), (17920, 1170666), (17955, 1168384), (18240, 1150128), (18256, 1149120), (18582, 1128960), (18620, 1126656), (18816, 1114920), (19152, 1095360), (19456, 1078245), (19560, 1072512), (20160, 1040592), (20520, 1022336), (20538, 1021440), (20864, 1005480), (21168, 991040), (21280, 985824), (21504, 975555), (21679, 967680), (21888, 958440), (22005, 953344), (22344, 938880), (22820, 919296), (23040, 910518), (23472, 893760), (23520, 891936), (23940, 876288), (23961, 875520), (24192, 867160), (24320, 862596), (24776, 846720), (25088, 836190), (25137, 834560), (25536, 821520), (26080, 804384), (26460, 792832), (26880, 780444), (27360, 766752), (27384, 766080), (27648, 758765), (27873, 752640), (27930, 751104), (28224, 743280), (28728, 730240), (29184, 718830), (29340, 715008), (29792, 704160), (30240, 693728), (30807, 680960), (30970, 677376), (31296, 670320), (31360, 668952), (31920, 657216), (31948, 656640), (32256, 650370), (32832, 638960), (33516, 625920), (34048, 616140), (34230, 612864), (34560, 607012), (35208, 595840), (35280, 594624), (35840, 585333), (35910, 584192), (36480, 575064), (36512, 574560), (37164, 564480), (37240, 563328), (37632, 557460), (38304, 547680), (39120, 536256), (39935, 525312), (40320, 520296), (41040, 511168), (41076, 510720), (41728, 502740), (41895, 500736), (42336, 495520), (42560, 492912), (43358, 483840), (43776, 479220), (44010, 476672), (44688, 469440), (45640, 459648), (46080, 455259), (46455, 451584), (46944, 446880), (47040, 445968), (47880, 438144), (47922, 437760), (48384, 433580), (48640, 431298), (49552, 423360), (50176, 418095), (50274, 417280), (51072, 410760), (51345, 408576), (52160, 402192), (52920, 396416), (53760, 390222), (54720, 383376), (54768, 383040), (55746, 376320), (55860, 375552), (56448, 371640), (57456, 365120), (58368, 359415), (58680, 357504), (59584, 352080), (60480, 346864), (61614, 340480), (61940, 338688), (62592, 335160), (62720, 334476), (63840, 328608), (63896, 328320), (64512, 325185), (65037, 322560), (65664, 319480), (67032, 312960), (68096, 308070), (68460, 306432), (69120, 303506), (70416, 297920), (70560, 297312), (71820, 292096), (71883, 291840), (72960, 287532), (73024, 287280), (74328, 282240), (74480, 281664), (75264, 278730), (76608, 273840), (78240, 268128), (79870, 262656), (80640, 260148), (82080, 255584), (82152, 255360), (83456, 251370), (83619, 250880), (83790, 250368), (84672, 247760), (85120, 246456), (86716, 241920), (87552, 239610), (88020, 238336), (89376, 234720), (91280, 229824), (92910, 225792), (93888, 223440), (94080, 222984), (95760, 219072), (95844, 218880), (96768, 216790), (97280, 215649), (99104, 211680), (100548, 208640), (102144, 205380), (102690, 204288), (104320, 201096), (105840, 198208), (107520, 195111), (108395, 193536), (109440, 191688), (109536, 191520), (111492, 188160), (111720, 187776), (112896, 185820), (114912, 182560), (117360, 178752), (119168, 176040), (119805, 175104), (120960, 173432), (123228, 170240), (123880, 169344), (125184, 167580), (125440, 167238), (125685, 166912), (127680, 164304), (127792, 164160), (130074, 161280), (131328, 159740), (134064, 156480), (136192, 154035), (136920, 153216), (138240, 151753), (139365, 150528), (140832, 148960), (141120, 148656), (143640, 146048), (143766, 145920)]