19978721280

素因数分解:

$2^{11}\times 3^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 1152

約数和(自身を含む): 87002173440

約数和(自身を除く): 67023452160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 37, 40, 42, 45, 48, 54, 56, 60, 62, 63, 64, 70, 72, 74, 80, 81, 84, 90, 93, 96, 105, 108, 111, 112, 120, 124, 126, 128, 135, 140, 144, 148, 155, 160, 162, 168, 180, 185, 186, 189, 192, 210, 216, 217, 222, 224, 240, 243, 248, 252, 256, 259, 270, 279, 280, 288, 296, 310, 315, 320, 324, 333, 336, 360, 370, 372, 378, 384, 405, 420, 432, 434, 444, 448, 465, 480, 486, 496, 504, 512, 518, 540, 555, 558, 560, 567, 576, 592, 620, 630, 640, 648, 651, 666, 672, 720, 740, 744, 756, 768, 777, 810, 837, 840, 864, 868, 888, 896, 930, 945, 960, 972, 992, 999, 1008, 1024, 1036, 1080, 1085, 1110, 1116, 1120, 1134, 1147, 1152, 1184, 1215, 1240, 1260, 1280, 1295, 1296, 1302, 1332, 1344, 1395, 1440, 1480, 1488, 1512, 1536, 1554, 1620, 1665, 1674, 1680, 1701, 1728, 1736, 1776, 1792, 1860, 1890, 1920, 1944, 1953, 1984, 1998, 2016, 2048, 2072, 2160, 2170, 2220, 2232, 2240, 2268, 2294, 2304, 2331, 2368, 2430, 2480, 2511, 2520, 2560, 2590, 2592, 2604, 2664, 2688, 2790, 2835, 2880, 2960, 2976, 2997, 3024, 3072, 3108, 3240, 3255, 3330, 3348, 3360, 3402, 3441, 3456, 3472, 3552, 3584, 3720, 3780, 3840, 3885, 3888, 3906, 3968, 3996, 4032, 4144, 4185, 4320, 4340, 4440, 4464, 4480, 4536, 4588, 4608, 4662, 4736, 4860, 4960, 4995, 5022, 5040, 5120, 5180, 5184, 5208, 5328, 5376, 5580, 5670, 5735, 5760, 5859, 5920, 5952, 5994, 6048, 6144, 6216, 6480, 6510, 6660, 6696, 6720, 6804, 6882, 6912, 6944, 6993, 7104, 7168, 7440, 7533, 7560, 7680, 7770, 7776, 7812, 7936, 7992, 8029, 8064, 8288, 8370, 8505, 8640, 8680, 8880, 8928, 8960, 8991, 9072, 9176, 9216, 9324, 9472, 9720, 9765, 9920, 9990, 10044, 10080, 10240, 10323, 10360, 10368, 10416, 10656, 10752, 11160, 11340, 11470, 11520, 11655, 11718, 11840, 11904, 11988, 12096, 12432, 12555, 12960, 13020, 13320, 13392, 13440, 13608, 13764, 13824, 13888, 13986, 14208, 14336, 14880, 14985, 15066, 15120, 15360, 15540, 15552, 15624, 15872, 15984, 16058, 16128, 16576, 16740, 17010, 17205, 17280, 17360, 17577, 17760, 17856, 17920, 17982, 18144, 18352, 18432, 18648, 18944, 19440, 19530, 19840, 19980, 20088, 20160, 20646, 20720, 20736, 20832, 20979, 21312, 21504, 22320, 22680, 22940, 23040, 23310, 23436, 23680, 23808, 23976, 24087, 24192, 24864, 25110, 25920, 26040, 26640, 26784, 26880, 27216, 27528, 27648, 27776, 27972, 28416, 29295, 29760, 29970, 30132, 30240, 30720, 30969, 31080, 31104, 31248, 31744, 31968, 32116, 32256, 33152, 33480, 34020, 34410, 34560, 34720, 34965, 35154, 35520, 35712, 35840, 35964, 36288, 36704, 37296, 37665, 37888, 38880, 39060, 39680, 39960, 40145, 40176, 40320, 41292, 41440, 41472, 41664, 41958, 42624, 43008, 44640, 44955, 45360, 45880, 46080, 46620, 46872, 47360, 47616, 47952, 48174, 48384, 49728, 50220, 51615, 51840, 52080, 52731, 53280, 53568, 53760, 54432, 55056, 55296, 55552, 55944, 56832, 58590, 59520, 59940, 60264, 60480, 61938, 62160, 62208, 62496, 62937, 63488, 63936, 64232, 64512, 66304, 66960, 68040, 68820, 69120, 69440, 69930, 70308, 71040, 71424, 71680, 71928, 72261, 72576, 73408, 74592, 75330, 75776, 77760, 78120, 79360, 79920, 80290, 80352, 80640, 82584, 82880, 82944, 83328, 83916, 85248, 87885, 89280, 89910, 90720, 91760, 92160, 92907, 93240, 93744, 94720, 95232, 95904, 96348, 96768, 99456, 100440, 103230, 103680, 104160, 104895, 105462, 106560, 107136, 107520, 108864, 110112, 111104, 111888, 113664, 117180, 119040, 119880, 120435, 120528, 120960, 123876, 124320, 124416, 124992, 125874, 127872, 128464, 129024, 132608, 133920, 136080, 137640, 138240, 138880, 139860, 140616, 142080, 142848, 143856, 144522, 145152, 146816, 149184, 150660, 154845, 155520, 156240, 158720, 159840, 160580, 160704, 161280, 165168, 165760, 165888, 166656, 167832, 170496, 175770, 178560, 179820, 181440, 183520, 185814, 186480, 187488, 189440, 190464, 191808, 192696, 193536, 198912, 200880, 206460, 207360, 208320, 209790, 210924, 213120, 214272, 215040, 216783, 217728, 220224, 222208, 223776, 227328, 234360, 238080, 239760, 240870, 241056, 241920, 247752, 248640, 248832, 249984, 251748, 255744, 256928, 263655, 265216, 267840, 272160, 275280, 276480, 277760, 278721, 279720, 281232, 284160, 285696, 287712, 289044, 290304, 293632, 298368, 301320, 309690, 311040, 312480, 314685, 317440, 319680, 321160, 321408, 322560, 330336, 331520, 333312, 335664, 340992, 351540, 357120, 359640, 361305, 362880, 367040, 371628, 372960, 374976, 378880, 383616, 385392, 387072, 397824, 401760, 412920, 414720, 416640, 419580, 421848, 426240, 428544, 433566, 435456, 440448, 444416, 447552, 464535, 468720, 476160, 479520, 481740, 482112, 483840, 495504, 497280, 497664, 499968, 503496, 511488, 513856, 527310, 530432, 535680, 544320, 550560, 555520, 557442, 559440, 562464, 568320, 571392, 575424, 578088, 580608, 587264, 596736, 602640, 619380, 622080, 624960, 629370, 639360, 642320, 642816, 645120, 650349, 660672, 663040, 666624, 671328, 681984, 703080, 714240, 719280, 722610, 725760, 734080, 743256, 745920, 749952, 767232, 770784, 795648, 803520, 825840, 829440, 833280, 839160, 843696, 852480, 857088, 867132, 870912, 880896, 895104, 929070, 937440, 952320, 959040, 963480, 964224, 967680, 991008, 994560, 999936, 1006992, 1022976, 1027712, 1054620, 1071360, 1083915, 1088640, 1101120, 1111040, 1114884, 1118880, 1124928, 1136640, 1150848, 1156176, 1161216, 1174528, 1193472, 1205280, 1238760, 1244160, 1249920, 1258740, 1278720, 1284640, 1285632, 1300698, 1321344, 1326080, 1333248, 1342656, 1393605, 1406160, 1428480, 1438560, 1445220, 1451520, 1468160, 1486512, 1491840, 1499904, 1534464, 1541568, 1591296, 1607040, 1651680, 1666560, 1678320, 1687392, 1704960, 1714176, 1734264, 1741824, 1761792, 1790208, 1858140, 1874880, 1918080, 1926960, 1928448, 1935360, 1951047, 1982016, 1989120, 1999872, 2013984, 2045952, 2055424, 2109240, 2142720, 2167830, 2177280, 2202240, 2222080, 2229768, 2237760, 2249856, 2301696, 2312352, 2349056, 2386944, 2410560, 2477520, 2488320, 2499840, 2517480, 2557440, 2569280, 2571264, 2601396, 2642688, 2652160, 2685312, 2787210, 2812320, 2856960, 2877120, 2890440, 2903040, 2936320, 2973024, 2983680, 2999808, 3068928, 3083136, 3214080, 3251745, 3303360, 3333120, 3356640, 3374784, 3409920, 3468528, 3483648, 3523584, 3580416, 3716280, 3749760, 3836160, 3853920, 3856896, 3902094, 3964032, 3978240, 3999744, 4027968, 4110848, 4218480, 4285440, 4335660, 4354560, 4404480, 4459536, 4475520, 4499712, 4603392, 4624704, 4773888, 4821120, 4955040, 4999680, 5034960, 5114880, 5138560, 5142528, 5202792, 5285376, 5370624, 5574420, 5624640, 5754240, 5780880, 5806080, 5872640, 5946048, 5967360, 5999616, 6137856, 6166272, 6428160, 6503490, 6606720, 6666240, 6713280, 6749568, 6937056, 7047168, 7160832, 7432560, 7499520, 7672320, 7707840, 7713792, 7804188, 7928064, 7956480, 8055936, 8221696, 8436960, 8570880, 8671320, 8709120, 8808960, 8919072, 8951040, 8999424, 9206784, 9249408, 9642240, 9755235, 9910080, 9999360, 10069920, 10229760, 10277120, 10405584, 10570752, 10741248, 11148840, 11249280, 11508480, 11561760, 11745280, 11892096, 11934720, 11999232, 12332544, 12856320, 13006980, 13213440, 13426560, 13499136, 13874112, 14321664, 14865120, 14999040, 15344640, 15415680, 15427584, 15608376, 15856128, 16111872, 16443392, 16873920, 17342640, 17418240, 17617920, 17838144, 17902080, 17998848, 18413568, 18498816, 19284480, 19510470, 19820160, 19998720, 20139840, 20554240, 20811168, 21141504, 21482496, 22297680, 22498560, 23016960, 23123520, 23784192, 23869440, 24665088, 25712640, 26013960, 26426880, 26853120, 26998272, 27748224, 29730240, 29998080, 30689280, 30831360, 31216752, 31712256, 32223744, 33747840, 34685280, 35235840, 35676288, 35804160, 35997696, 36997632, 38568960, 39020940, 39640320, 40279680, 41108480, 41622336, 42964992, 44595360, 44997120, 46033920, 46247040, 47568384, 49330176, 52027920, 52853760, 53706240, 53996544, 55496448, 59460480, 59996160, 61662720, 62433504, 63424512, 64447488, 67495680, 69370560, 71352576, 71608320, 73995264, 77137920, 78041880, 79280640, 80559360, 82216960, 83244672, 89190720, 89994240, 92067840, 92494080, 95136768, 104055840, 105707520, 107412480, 107993088, 110992896, 118920960, 123325440, 124867008, 128894976, 134991360, 138741120, 142705152, 147990528, 156083760, 158561280, 161118720, 166489344, 178381440, 179988480, 184988160, 190273536, 208111680, 214824960, 221985792, 237841920, 246650880, 249734016, 269982720, 277482240, 285410304, 312167520, 317122560, 322237440, 332978688, 356762880, 369976320, 416223360, 443971584, 475683840, 499468032, 539965440, 554964480, 570820608, 624335040, 644474880, 665957376, 713525760, 739952640, 832446720, 951367680, 998936064, 1109928960, 1248670080, 1331914752, 1427051520, 1664893440, 1997872128, 2219857920, 2497340160, 2854103040, 3329786880, 3995744256, 4994680320, 6659573760, 9989360640, 19978721280]

約数ペア:

[(1, 19978721280), (2, 9989360640), (3, 6659573760), (4, 4994680320), (5, 3995744256), (6, 3329786880), (7, 2854103040), (8, 2497340160), (9, 2219857920), (10, 1997872128), (12, 1664893440), (14, 1427051520), (15, 1331914752), (16, 1248670080), (18, 1109928960), (20, 998936064), (21, 951367680), (24, 832446720), (27, 739952640), (28, 713525760), (30, 665957376), (31, 644474880), (32, 624335040), (35, 570820608), (36, 554964480), (37, 539965440), (40, 499468032), (42, 475683840), (45, 443971584), (48, 416223360), (54, 369976320), (56, 356762880), (60, 332978688), (62, 322237440), (63, 317122560), (64, 312167520), (70, 285410304), (72, 277482240), (74, 269982720), (80, 249734016), (81, 246650880), (84, 237841920), (90, 221985792), (93, 214824960), (96, 208111680), (105, 190273536), (108, 184988160), (111, 179988480), (112, 178381440), (120, 166489344), (124, 161118720), (126, 158561280), (128, 156083760), (135, 147990528), (140, 142705152), (144, 138741120), (148, 134991360), (155, 128894976), (160, 124867008), (162, 123325440), (168, 118920960), (180, 110992896), (185, 107993088), (186, 107412480), (189, 105707520), (192, 104055840), (210, 95136768), (216, 92494080), (217, 92067840), (222, 89994240), (224, 89190720), (240, 83244672), (243, 82216960), (248, 80559360), (252, 79280640), (256, 78041880), (259, 77137920), (270, 73995264), (279, 71608320), (280, 71352576), (288, 69370560), (296, 67495680), (310, 64447488), (315, 63424512), (320, 62433504), (324, 61662720), (333, 59996160), (336, 59460480), (360, 55496448), (370, 53996544), (372, 53706240), (378, 52853760), (384, 52027920), (405, 49330176), (420, 47568384), (432, 46247040), (434, 46033920), (444, 44997120), (448, 44595360), (465, 42964992), (480, 41622336), (486, 41108480), (496, 40279680), (504, 39640320), (512, 39020940), (518, 38568960), (540, 36997632), (555, 35997696), (558, 35804160), (560, 35676288), (567, 35235840), (576, 34685280), (592, 33747840), (620, 32223744), (630, 31712256), (640, 31216752), (648, 30831360), (651, 30689280), (666, 29998080), (672, 29730240), (720, 27748224), (740, 26998272), (744, 26853120), (756, 26426880), (768, 26013960), (777, 25712640), (810, 24665088), (837, 23869440), (840, 23784192), (864, 23123520), (868, 23016960), (888, 22498560), (896, 22297680), (930, 21482496), (945, 21141504), (960, 20811168), (972, 20554240), (992, 20139840), (999, 19998720), (1008, 19820160), (1024, 19510470), (1036, 19284480), (1080, 18498816), (1085, 18413568), (1110, 17998848), (1116, 17902080), (1120, 17838144), (1134, 17617920), (1147, 17418240), (1152, 17342640), (1184, 16873920), (1215, 16443392), (1240, 16111872), (1260, 15856128), (1280, 15608376), (1295, 15427584), (1296, 15415680), (1302, 15344640), (1332, 14999040), (1344, 14865120), (1395, 14321664), (1440, 13874112), (1480, 13499136), (1488, 13426560), (1512, 13213440), (1536, 13006980), (1554, 12856320), (1620, 12332544), (1665, 11999232), (1674, 11934720), (1680, 11892096), (1701, 11745280), (1728, 11561760), (1736, 11508480), (1776, 11249280), (1792, 11148840), (1860, 10741248), (1890, 10570752), (1920, 10405584), (1944, 10277120), (1953, 10229760), (1984, 10069920), (1998, 9999360), (2016, 9910080), (2048, 9755235), (2072, 9642240), (2160, 9249408), (2170, 9206784), (2220, 8999424), (2232, 8951040), (2240, 8919072), (2268, 8808960), (2294, 8709120), (2304, 8671320), (2331, 8570880), (2368, 8436960), (2430, 8221696), (2480, 8055936), (2511, 7956480), (2520, 7928064), (2560, 7804188), (2590, 7713792), (2592, 7707840), (2604, 7672320), (2664, 7499520), (2688, 7432560), (2790, 7160832), (2835, 7047168), (2880, 6937056), (2960, 6749568), (2976, 6713280), (2997, 6666240), (3024, 6606720), (3072, 6503490), (3108, 6428160), (3240, 6166272), (3255, 6137856), (3330, 5999616), (3348, 5967360), (3360, 5946048), (3402, 5872640), (3441, 5806080), (3456, 5780880), (3472, 5754240), (3552, 5624640), (3584, 5574420), (3720, 5370624), (3780, 5285376), (3840, 5202792), (3885, 5142528), (3888, 5138560), (3906, 5114880), (3968, 5034960), (3996, 4999680), (4032, 4955040), (4144, 4821120), (4185, 4773888), (4320, 4624704), (4340, 4603392), (4440, 4499712), (4464, 4475520), (4480, 4459536), (4536, 4404480), (4588, 4354560), (4608, 4335660), (4662, 4285440), (4736, 4218480), (4860, 4110848), (4960, 4027968), (4995, 3999744), (5022, 3978240), (5040, 3964032), (5120, 3902094), (5180, 3856896), (5184, 3853920), (5208, 3836160), (5328, 3749760), (5376, 3716280), (5580, 3580416), (5670, 3523584), (5735, 3483648), (5760, 3468528), (5859, 3409920), (5920, 3374784), (5952, 3356640), (5994, 3333120), (6048, 3303360), (6144, 3251745), (6216, 3214080), (6480, 3083136), (6510, 3068928), (6660, 2999808), (6696, 2983680), (6720, 2973024), (6804, 2936320), (6882, 2903040), (6912, 2890440), (6944, 2877120), (6993, 2856960), (7104, 2812320), (7168, 2787210), (7440, 2685312), (7533, 2652160), (7560, 2642688), (7680, 2601396), (7770, 2571264), (7776, 2569280), (7812, 2557440), (7936, 2517480), (7992, 2499840), (8029, 2488320), (8064, 2477520), (8288, 2410560), (8370, 2386944), (8505, 2349056), (8640, 2312352), (8680, 2301696), (8880, 2249856), (8928, 2237760), (8960, 2229768), (8991, 2222080), (9072, 2202240), (9176, 2177280), (9216, 2167830), (9324, 2142720), (9472, 2109240), (9720, 2055424), (9765, 2045952), (9920, 2013984), (9990, 1999872), (10044, 1989120), (10080, 1982016), (10240, 1951047), (10323, 1935360), (10360, 1928448), (10368, 1926960), (10416, 1918080), (10656, 1874880), (10752, 1858140), (11160, 1790208), (11340, 1761792), (11470, 1741824), (11520, 1734264), (11655, 1714176), (11718, 1704960), (11840, 1687392), (11904, 1678320), (11988, 1666560), (12096, 1651680), (12432, 1607040), (12555, 1591296), (12960, 1541568), (13020, 1534464), (13320, 1499904), (13392, 1491840), (13440, 1486512), (13608, 1468160), (13764, 1451520), (13824, 1445220), (13888, 1438560), (13986, 1428480), (14208, 1406160), (14336, 1393605), (14880, 1342656), (14985, 1333248), (15066, 1326080), (15120, 1321344), (15360, 1300698), (15540, 1285632), (15552, 1284640), (15624, 1278720), (15872, 1258740), (15984, 1249920), (16058, 1244160), (16128, 1238760), (16576, 1205280), (16740, 1193472), (17010, 1174528), (17205, 1161216), (17280, 1156176), (17360, 1150848), (17577, 1136640), (17760, 1124928), (17856, 1118880), (17920, 1114884), (17982, 1111040), (18144, 1101120), (18352, 1088640), (18432, 1083915), (18648, 1071360), (18944, 1054620), (19440, 1027712), (19530, 1022976), (19840, 1006992), (19980, 999936), (20088, 994560), (20160, 991008), (20646, 967680), (20720, 964224), (20736, 963480), (20832, 959040), (20979, 952320), (21312, 937440), (21504, 929070), (22320, 895104), (22680, 880896), (22940, 870912), (23040, 867132), (23310, 857088), (23436, 852480), (23680, 843696), (23808, 839160), (23976, 833280), (24087, 829440), (24192, 825840), (24864, 803520), (25110, 795648), (25920, 770784), (26040, 767232), (26640, 749952), (26784, 745920), (26880, 743256), (27216, 734080), (27528, 725760), (27648, 722610), (27776, 719280), (27972, 714240), (28416, 703080), (29295, 681984), (29760, 671328), (29970, 666624), (30132, 663040), (30240, 660672), (30720, 650349), (30969, 645120), (31080, 642816), (31104, 642320), (31248, 639360), (31744, 629370), (31968, 624960), (32116, 622080), (32256, 619380), (33152, 602640), (33480, 596736), (34020, 587264), (34410, 580608), (34560, 578088), (34720, 575424), (34965, 571392), (35154, 568320), (35520, 562464), (35712, 559440), (35840, 557442), (35964, 555520), (36288, 550560), (36704, 544320), (37296, 535680), (37665, 530432), (37888, 527310), (38880, 513856), (39060, 511488), (39680, 503496), (39960, 499968), (40145, 497664), (40176, 497280), (40320, 495504), (41292, 483840), (41440, 482112), (41472, 481740), (41664, 479520), (41958, 476160), (42624, 468720), (43008, 464535), (44640, 447552), (44955, 444416), (45360, 440448), (45880, 435456), (46080, 433566), (46620, 428544), (46872, 426240), (47360, 421848), (47616, 419580), (47952, 416640), (48174, 414720), (48384, 412920), (49728, 401760), (50220, 397824), (51615, 387072), (51840, 385392), (52080, 383616), (52731, 378880), (53280, 374976), (53568, 372960), (53760, 371628), (54432, 367040), (55056, 362880), (55296, 361305), (55552, 359640), (55944, 357120), (56832, 351540), (58590, 340992), (59520, 335664), (59940, 333312), (60264, 331520), (60480, 330336), (61938, 322560), (62160, 321408), (62208, 321160), (62496, 319680), (62937, 317440), (63488, 314685), (63936, 312480), (64232, 311040), (64512, 309690), (66304, 301320), (66960, 298368), (68040, 293632), (68820, 290304), (69120, 289044), (69440, 287712), (69930, 285696), (70308, 284160), (71040, 281232), (71424, 279720), (71680, 278721), (71928, 277760), (72261, 276480), (72576, 275280), (73408, 272160), (74592, 267840), (75330, 265216), (75776, 263655), (77760, 256928), (78120, 255744), (79360, 251748), (79920, 249984), (80290, 248832), (80352, 248640), (80640, 247752), (82584, 241920), (82880, 241056), (82944, 240870), (83328, 239760), (83916, 238080), (85248, 234360), (87885, 227328), (89280, 223776), (89910, 222208), (90720, 220224), (91760, 217728), (92160, 216783), (92907, 215040), (93240, 214272), (93744, 213120), (94720, 210924), (95232, 209790), (95904, 208320), (96348, 207360), (96768, 206460), (99456, 200880), (100440, 198912), (103230, 193536), (103680, 192696), (104160, 191808), (104895, 190464), (105462, 189440), (106560, 187488), (107136, 186480), (107520, 185814), (108864, 183520), (110112, 181440), (111104, 179820), (111888, 178560), (113664, 175770), (117180, 170496), (119040, 167832), (119880, 166656), (120435, 165888), (120528, 165760), (120960, 165168), (123876, 161280), (124320, 160704), (124416, 160580), (124992, 159840), (125874, 158720), (127872, 156240), (128464, 155520), (129024, 154845), (132608, 150660), (133920, 149184), (136080, 146816), (137640, 145152), (138240, 144522), (138880, 143856), (139860, 142848), (140616, 142080)]