20717292960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 1152

約数和(自身を含む): 93914795520

約数和(自身を除く): 73197502560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 24, 26, 28, 30, 32, 35, 36, 38, 39, 40, 42, 45, 48, 52, 53, 56, 57, 60, 63, 65, 70, 72, 76, 78, 80, 84, 90, 91, 95, 96, 104, 105, 106, 112, 114, 117, 120, 126, 130, 133, 140, 144, 152, 156, 157, 159, 160, 168, 171, 180, 182, 190, 195, 208, 210, 212, 224, 228, 234, 240, 247, 252, 260, 265, 266, 273, 280, 285, 288, 304, 312, 314, 315, 318, 336, 342, 360, 364, 371, 380, 390, 399, 416, 420, 424, 455, 456, 468, 471, 477, 480, 494, 504, 520, 530, 532, 546, 560, 570, 585, 608, 624, 628, 630, 636, 665, 672, 684, 689, 720, 728, 741, 742, 760, 780, 785, 795, 798, 819, 840, 848, 855, 910, 912, 936, 942, 954, 988, 1007, 1008, 1040, 1060, 1064, 1092, 1099, 1113, 1120, 1140, 1170, 1197, 1235, 1248, 1256, 1260, 1272, 1330, 1365, 1368, 1378, 1413, 1440, 1456, 1482, 1484, 1520, 1560, 1570, 1590, 1596, 1638, 1680, 1696, 1710, 1729, 1820, 1824, 1855, 1872, 1884, 1908, 1976, 1995, 2014, 2016, 2041, 2067, 2080, 2120, 2128, 2184, 2198, 2223, 2226, 2280, 2340, 2355, 2385, 2394, 2470, 2512, 2520, 2544, 2660, 2730, 2736, 2756, 2826, 2912, 2964, 2968, 2983, 3021, 3040, 3120, 3140, 3180, 3192, 3276, 3297, 3339, 3360, 3420, 3445, 3458, 3640, 3705, 3710, 3744, 3768, 3816, 3952, 3990, 4028, 4082, 4095, 4134, 4240, 4256, 4368, 4396, 4446, 4452, 4560, 4680, 4710, 4770, 4788, 4823, 4940, 5024, 5035, 5040, 5088, 5187, 5320, 5460, 5472, 5495, 5512, 5565, 5652, 5928, 5936, 5966, 5985, 6042, 6123, 6201, 6240, 6280, 6360, 6384, 6552, 6594, 6678, 6840, 6890, 6916, 7049, 7065, 7280, 7410, 7420, 7536, 7632, 7904, 7980, 8056, 8164, 8190, 8268, 8321, 8480, 8645, 8736, 8792, 8892, 8904, 8949, 9063, 9120, 9360, 9420, 9540, 9576, 9646, 9880, 9891, 10070, 10080, 10205, 10335, 10374, 10640, 10920, 10990, 11024, 11115, 11130, 11304, 11856, 11872, 11932, 11970, 12084, 12246, 12402, 12560, 12720, 12768, 13091, 13104, 13188, 13356, 13680, 13780, 13832, 14098, 14130, 14287, 14469, 14560, 14820, 14840, 14915, 15072, 15105, 15264, 15561, 15960, 16112, 16328, 16380, 16485, 16536, 16642, 16695, 17290, 17584, 17784, 17808, 17898, 18126, 18369, 18720, 18840, 19080, 19152, 19292, 19760, 19782, 20140, 20410, 20670, 20748, 20881, 21147, 21280, 21840, 21980, 22048, 22230, 22260, 22608, 23712, 23864, 23940, 24115, 24168, 24492, 24804, 24963, 25120, 25440, 25935, 26182, 26208, 26376, 26712, 26847, 27360, 27560, 27664, 28196, 28260, 28574, 28938, 29640, 29680, 29830, 30210, 30615, 31005, 31122, 31920, 32224, 32656, 32760, 32970, 33072, 33284, 33390, 34580, 35168, 35245, 35568, 35616, 35796, 36252, 36738, 37680, 38160, 38304, 38584, 38779, 39273, 39520, 39564, 40280, 40820, 41340, 41496, 41605, 41762, 42294, 42861, 43407, 43680, 43960, 44460, 44520, 44745, 45216, 45315, 47728, 47880, 48230, 48336, 48984, 49455, 49608, 49926, 51870, 52364, 52752, 53424, 53694, 55120, 55328, 56392, 56520, 57148, 57876, 58247, 59280, 59360, 59660, 60420, 61230, 62010, 62244, 62643, 63441, 63840, 65312, 65455, 65520, 65940, 66144, 66568, 66780, 69160, 70490, 71136, 71435, 71592, 72345, 72504, 73476, 74889, 75360, 76320, 77168, 77558, 77805, 78546, 79128, 80560, 81640, 82680, 82992, 83210, 83524, 84588, 85722, 86814, 87920, 88920, 89040, 89490, 90630, 91637, 91845, 95456, 95760, 96460, 96672, 97968, 98910, 99216, 99852, 103740, 104405, 104728, 105504, 105735, 106848, 107388, 108173, 110240, 112784, 113040, 114296, 115752, 116337, 116494, 117819, 118560, 119320, 120840, 122460, 124020, 124488, 124815, 125286, 126882, 128583, 130910, 131040, 131880, 133136, 133560, 134235, 138320, 140980, 142870, 143184, 144690, 145008, 146952, 149778, 154336, 155116, 155610, 157092, 158099, 158256, 161120, 163280, 165360, 165984, 166420, 167048, 169176, 171444, 173628, 174741, 175840, 177840, 178080, 178980, 181260, 183274, 183690, 187929, 191520, 192920, 193895, 195936, 196365, 197820, 198432, 199704, 207480, 208810, 209456, 211470, 214305, 214776, 216346, 217035, 225568, 226080, 228592, 231504, 232674, 232988, 235638, 238640, 241680, 244920, 248040, 248976, 249630, 250572, 253764, 257166, 261820, 263760, 266272, 267120, 268470, 271453, 274911, 276640, 281960, 285740, 286368, 289380, 290016, 291235, 293904, 299556, 310232, 311220, 313215, 314184, 316198, 316512, 317205, 324519, 326560, 330720, 332840, 334096, 338352, 342888, 347256, 349011, 349482, 355680, 357960, 362520, 366548, 367380, 374445, 375858, 385840, 387790, 392730, 395640, 399408, 414960, 417620, 418912, 422940, 428610, 429552, 432692, 434070, 457184, 458185, 463008, 465348, 465976, 471276, 474297, 477280, 483360, 489840, 496080, 497952, 499260, 501144, 507528, 514332, 523640, 524223, 527520, 534240, 536940, 540865, 542906, 549822, 563920, 571480, 578760, 581685, 582470, 587808, 589095, 599112, 620464, 622440, 626430, 628368, 632396, 634410, 642915, 649038, 665680, 668192, 676704, 685776, 694512, 698022, 698964, 715920, 725040, 733096, 734760, 748890, 751716, 757211, 771680, 775580, 785460, 790495, 791280, 798816, 814359, 824733, 829920, 835240, 845880, 857220, 859104, 865384, 868140, 873705, 916370, 930696, 931952, 939645, 942552, 948594, 973557, 979680, 992160, 998520, 1002288, 1015056, 1028664, 1047280, 1048446, 1073880, 1081730, 1085812, 1099644, 1106693, 1127840, 1142960, 1157520, 1163370, 1164940, 1178190, 1198224, 1240928, 1244880, 1252860, 1256736, 1264792, 1268820, 1285830, 1298076, 1331360, 1357265, 1371552, 1374555, 1389024, 1396044, 1397928, 1422891, 1431840, 1450080, 1466192, 1469520, 1497780, 1503432, 1514422, 1551160, 1570920, 1580990, 1582560, 1622595, 1628718, 1649466, 1670480, 1691760, 1714440, 1730768, 1736280, 1745055, 1747410, 1832740, 1861392, 1863904, 1879290, 1885104, 1897188, 1947114, 1997040, 2004576, 2030112, 2055287, 2057328, 2094560, 2096892, 2147760, 2163460, 2171624, 2199288, 2213386, 2271633, 2285920, 2315040, 2326740, 2329880, 2356380, 2371485, 2396448, 2443077, 2489760, 2505720, 2529584, 2537640, 2571660, 2596152, 2621115, 2714530, 2749110, 2792088, 2795856, 2845782, 2932384, 2939040, 2995560, 3006864, 3028844, 3102320, 3141840, 3161980, 3245190, 3257436, 3298932, 3320079, 3340960, 3383520, 3428880, 3461536, 3472560, 3490110, 3494820, 3665480, 3722784, 3758580, 3770208, 3786055, 3794376, 3894228, 3994080, 4071795, 4110574, 4114656, 4123665, 4193784, 4295520, 4326920, 4343248, 4398576, 4426772, 4543266, 4653480, 4659760, 4712760, 4742970, 4867785, 4886154, 5011440, 5059168, 5075280, 5143320, 5192304, 5242230, 5429060, 5498220, 5533465, 5584176, 5591712, 5691564, 5991120, 6013728, 6057688, 6165861, 6204640, 6283680, 6323960, 6490380, 6514872, 6597864, 6640158, 6814899, 6857760, 6945120, 6980220, 6989640, 7114455, 7330960, 7517160, 7572110, 7588752, 7788456, 8143590, 8221148, 8247330, 8387568, 8653840, 8686496, 8797152, 8853544, 9086532, 9306960, 9319520, 9425520, 9485940, 9735570, 9772308, 9960237, 10022880, 10150560, 10276435, 10286640, 10384608, 10484460, 10858120, 10996440, 11066930, 11168352, 11358165, 11383128, 11982240, 12115376, 12215385, 12331722, 12647920, 12980760, 13029744, 13195728, 13280316, 13629798, 13960440, 13979280, 14228910, 14387009, 14661920, 15034320, 15144220, 15177504, 15576912, 16287180, 16442296, 16494660, 16600395, 16775136, 17307680, 17707088, 18173064, 18497583, 18613920, 18851040, 18971880, 19471140, 19544616, 19920474, 20552870, 20573280, 20968920, 21716240, 21992880, 22133860, 22716330, 22766256, 24230752, 24430770, 24663444, 25295840, 25961520, 26059488, 26391456, 26560632, 27259596, 27920880, 27958560, 28457820, 28774018, 30068640, 30288440, 30829305, 31153824, 32574360, 32884592, 32989320, 33200790, 34074495, 35414176, 36346128, 36995166, 37943760, 38942280, 39089232, 39840948, 41105740, 41937840, 43161027, 43432480, 43985760, 44267720, 45432660, 45532512, 48861540, 49326888, 49801185, 51923040, 53121264, 54519192, 55841760, 56915640, 57548036, 60576880, 61658610, 65148720, 65769184, 65978640, 66401580, 68148990, 71935045, 72692256, 73990332, 75887520, 77884560, 78178464, 79681896, 82211480, 83875680, 86322054, 88535440, 90865320, 92487915, 97723080, 98653776, 99602370, 106242528, 109038384, 113831280, 115096072, 121153760, 123317220, 129483081, 130297440, 131957280, 132803160, 136297980, 143870090, 147980664, 155769120, 159363792, 164422960, 172644108, 177070880, 181730640, 184975830, 195446160, 197307552, 199204740, 215805135, 218076768, 227662560, 230192144, 246634440, 258966162, 265606320, 272595960, 287740180, 295961328, 318727584, 328845920, 345288216, 363461280, 369951660, 390892320, 398409480, 431610270, 460384288, 493268880, 517932324, 531212640, 545191920, 575480360, 591922656, 647415405, 690576432, 739903320, 796818960, 863220540, 986537760, 1035864648, 1090383840, 1150960720, 1294830810, 1381152864, 1479806640, 1593637920, 1726441080, 2071729296, 2301921440, 2589661620, 2959613280, 3452882160, 4143458592, 5179323240, 6905764320, 10358646480, 20717292960]

約数ペア:

[(1, 20717292960), (2, 10358646480), (3, 6905764320), (4, 5179323240), (5, 4143458592), (6, 3452882160), (7, 2959613280), (8, 2589661620), (9, 2301921440), (10, 2071729296), (12, 1726441080), (13, 1593637920), (14, 1479806640), (15, 1381152864), (16, 1294830810), (18, 1150960720), (19, 1090383840), (20, 1035864648), (21, 986537760), (24, 863220540), (26, 796818960), (28, 739903320), (30, 690576432), (32, 647415405), (35, 591922656), (36, 575480360), (38, 545191920), (39, 531212640), (40, 517932324), (42, 493268880), (45, 460384288), (48, 431610270), (52, 398409480), (53, 390892320), (56, 369951660), (57, 363461280), (60, 345288216), (63, 328845920), (65, 318727584), (70, 295961328), (72, 287740180), (76, 272595960), (78, 265606320), (80, 258966162), (84, 246634440), (90, 230192144), (91, 227662560), (95, 218076768), (96, 215805135), (104, 199204740), (105, 197307552), (106, 195446160), (112, 184975830), (114, 181730640), (117, 177070880), (120, 172644108), (126, 164422960), (130, 159363792), (133, 155769120), (140, 147980664), (144, 143870090), (152, 136297980), (156, 132803160), (157, 131957280), (159, 130297440), (160, 129483081), (168, 123317220), (171, 121153760), (180, 115096072), (182, 113831280), (190, 109038384), (195, 106242528), (208, 99602370), (210, 98653776), (212, 97723080), (224, 92487915), (228, 90865320), (234, 88535440), (240, 86322054), (247, 83875680), (252, 82211480), (260, 79681896), (265, 78178464), (266, 77884560), (273, 75887520), (280, 73990332), (285, 72692256), (288, 71935045), (304, 68148990), (312, 66401580), (314, 65978640), (315, 65769184), (318, 65148720), (336, 61658610), (342, 60576880), (360, 57548036), (364, 56915640), (371, 55841760), (380, 54519192), (390, 53121264), (399, 51923040), (416, 49801185), (420, 49326888), (424, 48861540), (455, 45532512), (456, 45432660), (468, 44267720), (471, 43985760), (477, 43432480), (480, 43161027), (494, 41937840), (504, 41105740), (520, 39840948), (530, 39089232), (532, 38942280), (546, 37943760), (560, 36995166), (570, 36346128), (585, 35414176), (608, 34074495), (624, 33200790), (628, 32989320), (630, 32884592), (636, 32574360), (665, 31153824), (672, 30829305), (684, 30288440), (689, 30068640), (720, 28774018), (728, 28457820), (741, 27958560), (742, 27920880), (760, 27259596), (780, 26560632), (785, 26391456), (795, 26059488), (798, 25961520), (819, 25295840), (840, 24663444), (848, 24430770), (855, 24230752), (910, 22766256), (912, 22716330), (936, 22133860), (942, 21992880), (954, 21716240), (988, 20968920), (1007, 20573280), (1008, 20552870), (1040, 19920474), (1060, 19544616), (1064, 19471140), (1092, 18971880), (1099, 18851040), (1113, 18613920), (1120, 18497583), (1140, 18173064), (1170, 17707088), (1197, 17307680), (1235, 16775136), (1248, 16600395), (1256, 16494660), (1260, 16442296), (1272, 16287180), (1330, 15576912), (1365, 15177504), (1368, 15144220), (1378, 15034320), (1413, 14661920), (1440, 14387009), (1456, 14228910), (1482, 13979280), (1484, 13960440), (1520, 13629798), (1560, 13280316), (1570, 13195728), (1590, 13029744), (1596, 12980760), (1638, 12647920), (1680, 12331722), (1696, 12215385), (1710, 12115376), (1729, 11982240), (1820, 11383128), (1824, 11358165), (1855, 11168352), (1872, 11066930), (1884, 10996440), (1908, 10858120), (1976, 10484460), (1995, 10384608), (2014, 10286640), (2016, 10276435), (2041, 10150560), (2067, 10022880), (2080, 9960237), (2120, 9772308), (2128, 9735570), (2184, 9485940), (2198, 9425520), (2223, 9319520), (2226, 9306960), (2280, 9086532), (2340, 8853544), (2355, 8797152), (2385, 8686496), (2394, 8653840), (2470, 8387568), (2512, 8247330), (2520, 8221148), (2544, 8143590), (2660, 7788456), (2730, 7588752), (2736, 7572110), (2756, 7517160), (2826, 7330960), (2912, 7114455), (2964, 6989640), (2968, 6980220), (2983, 6945120), (3021, 6857760), (3040, 6814899), (3120, 6640158), (3140, 6597864), (3180, 6514872), (3192, 6490380), (3276, 6323960), (3297, 6283680), (3339, 6204640), (3360, 6165861), (3420, 6057688), (3445, 6013728), (3458, 5991120), (3640, 5691564), (3705, 5591712), (3710, 5584176), (3744, 5533465), (3768, 5498220), (3816, 5429060), (3952, 5242230), (3990, 5192304), (4028, 5143320), (4082, 5075280), (4095, 5059168), (4134, 5011440), (4240, 4886154), (4256, 4867785), (4368, 4742970), (4396, 4712760), (4446, 4659760), (4452, 4653480), (4560, 4543266), (4680, 4426772), (4710, 4398576), (4770, 4343248), (4788, 4326920), (4823, 4295520), (4940, 4193784), (5024, 4123665), (5035, 4114656), (5040, 4110574), (5088, 4071795), (5187, 3994080), (5320, 3894228), (5460, 3794376), (5472, 3786055), (5495, 3770208), (5512, 3758580), (5565, 3722784), (5652, 3665480), (5928, 3494820), (5936, 3490110), (5966, 3472560), (5985, 3461536), (6042, 3428880), (6123, 3383520), (6201, 3340960), (6240, 3320079), (6280, 3298932), (6360, 3257436), (6384, 3245190), (6552, 3161980), (6594, 3141840), (6678, 3102320), (6840, 3028844), (6890, 3006864), (6916, 2995560), (7049, 2939040), (7065, 2932384), (7280, 2845782), (7410, 2795856), (7420, 2792088), (7536, 2749110), (7632, 2714530), (7904, 2621115), (7980, 2596152), (8056, 2571660), (8164, 2537640), (8190, 2529584), (8268, 2505720), (8321, 2489760), (8480, 2443077), (8645, 2396448), (8736, 2371485), (8792, 2356380), (8892, 2329880), (8904, 2326740), (8949, 2315040), (9063, 2285920), (9120, 2271633), (9360, 2213386), (9420, 2199288), (9540, 2171624), (9576, 2163460), (9646, 2147760), (9880, 2096892), (9891, 2094560), (10070, 2057328), (10080, 2055287), (10205, 2030112), (10335, 2004576), (10374, 1997040), (10640, 1947114), (10920, 1897188), (10990, 1885104), (11024, 1879290), (11115, 1863904), (11130, 1861392), (11304, 1832740), (11856, 1747410), (11872, 1745055), (11932, 1736280), (11970, 1730768), (12084, 1714440), (12246, 1691760), (12402, 1670480), (12560, 1649466), (12720, 1628718), (12768, 1622595), (13091, 1582560), (13104, 1580990), (13188, 1570920), (13356, 1551160), (13680, 1514422), (13780, 1503432), (13832, 1497780), (14098, 1469520), (14130, 1466192), (14287, 1450080), (14469, 1431840), (14560, 1422891), (14820, 1397928), (14840, 1396044), (14915, 1389024), (15072, 1374555), (15105, 1371552), (15264, 1357265), (15561, 1331360), (15960, 1298076), (16112, 1285830), (16328, 1268820), (16380, 1264792), (16485, 1256736), (16536, 1252860), (16642, 1244880), (16695, 1240928), (17290, 1198224), (17584, 1178190), (17784, 1164940), (17808, 1163370), (17898, 1157520), (18126, 1142960), (18369, 1127840), (18720, 1106693), (18840, 1099644), (19080, 1085812), (19152, 1081730), (19292, 1073880), (19760, 1048446), (19782, 1047280), (20140, 1028664), (20410, 1015056), (20670, 1002288), (20748, 998520), (20881, 992160), (21147, 979680), (21280, 973557), (21840, 948594), (21980, 942552), (22048, 939645), (22230, 931952), (22260, 930696), (22608, 916370), (23712, 873705), (23864, 868140), (23940, 865384), (24115, 859104), (24168, 857220), (24492, 845880), (24804, 835240), (24963, 829920), (25120, 824733), (25440, 814359), (25935, 798816), (26182, 791280), (26208, 790495), (26376, 785460), (26712, 775580), (26847, 771680), (27360, 757211), (27560, 751716), (27664, 748890), (28196, 734760), (28260, 733096), (28574, 725040), (28938, 715920), (29640, 698964), (29680, 698022), (29830, 694512), (30210, 685776), (30615, 676704), (31005, 668192), (31122, 665680), (31920, 649038), (32224, 642915), (32656, 634410), (32760, 632396), (32970, 628368), (33072, 626430), (33284, 622440), (33390, 620464), (34580, 599112), (35168, 589095), (35245, 587808), (35568, 582470), (35616, 581685), (35796, 578760), (36252, 571480), (36738, 563920), (37680, 549822), (38160, 542906), (38304, 540865), (38584, 536940), (38779, 534240), (39273, 527520), (39520, 524223), (39564, 523640), (40280, 514332), (40820, 507528), (41340, 501144), (41496, 499260), (41605, 497952), (41762, 496080), (42294, 489840), (42861, 483360), (43407, 477280), (43680, 474297), (43960, 471276), (44460, 465976), (44520, 465348), 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