19878727680

素因数分解:

$2^{12}\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 936

約数和(自身を含む): 83905196544

約数和(自身を除く): 64026468864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 62, 63, 64, 70, 71, 72, 80, 84, 90, 93, 96, 98, 105, 112, 120, 124, 126, 128, 140, 142, 144, 147, 155, 160, 168, 180, 186, 192, 196, 210, 213, 217, 224, 240, 245, 248, 252, 256, 279, 280, 284, 288, 294, 310, 315, 320, 336, 355, 360, 372, 384, 392, 420, 426, 434, 441, 448, 465, 480, 490, 496, 497, 504, 512, 558, 560, 568, 576, 588, 620, 630, 639, 640, 651, 672, 710, 720, 735, 744, 768, 784, 840, 852, 868, 882, 896, 930, 960, 980, 992, 994, 1008, 1024, 1065, 1085, 1116, 1120, 1136, 1152, 1176, 1240, 1260, 1278, 1280, 1302, 1344, 1395, 1420, 1440, 1470, 1488, 1491, 1519, 1536, 1568, 1680, 1704, 1736, 1764, 1792, 1860, 1920, 1953, 1960, 1984, 1988, 2016, 2048, 2130, 2170, 2201, 2205, 2232, 2240, 2272, 2304, 2352, 2480, 2485, 2520, 2556, 2560, 2604, 2688, 2790, 2840, 2880, 2940, 2976, 2982, 3038, 3072, 3136, 3195, 3255, 3360, 3408, 3472, 3479, 3528, 3584, 3720, 3840, 3906, 3920, 3968, 3976, 4032, 4096, 4260, 4340, 4402, 4410, 4464, 4473, 4480, 4544, 4557, 4608, 4704, 4960, 4970, 5040, 5112, 5120, 5208, 5376, 5580, 5680, 5760, 5880, 5952, 5964, 6076, 6144, 6272, 6390, 6510, 6603, 6720, 6816, 6944, 6958, 7056, 7168, 7440, 7455, 7595, 7680, 7812, 7840, 7936, 7952, 8064, 8520, 8680, 8804, 8820, 8928, 8946, 8960, 9088, 9114, 9216, 9408, 9765, 9920, 9940, 10080, 10224, 10240, 10416, 10437, 10752, 11005, 11160, 11360, 11520, 11760, 11904, 11928, 12152, 12288, 12544, 12780, 13020, 13206, 13440, 13632, 13671, 13888, 13916, 14112, 14336, 14880, 14910, 15190, 15360, 15407, 15624, 15680, 15872, 15904, 16128, 17040, 17360, 17395, 17608, 17640, 17856, 17892, 17920, 18176, 18228, 18432, 18816, 19530, 19809, 19840, 19880, 20160, 20448, 20480, 20832, 20874, 21504, 22010, 22320, 22365, 22720, 22785, 23040, 23520, 23808, 23856, 24304, 25088, 25560, 26040, 26412, 26880, 27264, 27342, 27776, 27832, 28224, 28672, 29760, 29820, 30380, 30720, 30814, 31248, 31311, 31360, 31744, 31808, 32256, 33015, 34080, 34720, 34790, 35216, 35280, 35712, 35784, 35840, 36352, 36456, 36864, 37632, 39060, 39618, 39680, 39760, 40320, 40896, 41664, 41748, 43008, 44020, 44640, 44730, 45440, 45570, 46080, 46221, 47040, 47616, 47712, 48608, 50176, 51120, 52080, 52185, 52824, 53760, 54528, 54684, 55552, 55664, 56448, 59520, 59640, 60760, 61440, 61628, 62496, 62622, 62720, 63488, 63616, 64512, 66030, 68160, 68355, 69440, 69580, 70432, 70560, 71424, 71568, 71680, 72704, 72912, 75264, 77035, 78120, 79236, 79360, 79520, 80640, 81792, 83328, 83496, 86016, 88040, 89280, 89460, 90880, 91140, 92160, 92442, 94080, 95232, 95424, 97216, 99045, 100352, 102240, 104160, 104370, 105648, 107520, 107849, 109056, 109368, 111104, 111328, 112896, 119040, 119280, 121520, 123256, 124992, 125244, 125440, 126976, 127232, 129024, 132060, 136320, 136710, 138663, 138880, 139160, 140864, 141120, 142848, 143136, 143360, 145408, 145824, 150528, 154070, 156240, 156555, 158472, 158720, 159040, 161280, 163584, 166656, 166992, 176080, 178560, 178920, 181760, 182280, 184320, 184884, 188160, 190464, 190848, 194432, 198090, 200704, 204480, 208320, 208740, 211296, 215040, 215698, 218112, 218736, 222208, 222656, 225792, 231105, 238080, 238560, 243040, 246512, 249984, 250488, 250880, 254464, 258048, 264120, 272640, 273420, 277326, 277760, 278320, 281728, 282240, 285696, 286272, 290816, 291648, 301056, 308140, 312480, 313110, 316944, 317440, 318080, 322560, 323547, 327168, 333312, 333984, 352160, 357120, 357840, 363520, 364560, 369768, 376320, 380928, 381696, 388864, 396180, 408960, 416640, 417480, 422592, 430080, 431396, 436224, 437472, 444416, 445312, 451584, 462210, 476160, 477120, 486080, 493024, 499968, 500976, 501760, 508928, 528240, 539245, 545280, 546840, 554652, 555520, 556640, 563456, 564480, 571392, 572544, 583296, 602112, 616280, 624960, 626220, 633888, 634880, 636160, 645120, 647094, 654336, 666624, 667968, 693315, 704320, 714240, 715680, 727040, 729120, 739536, 752640, 763392, 777728, 792360, 817920, 833280, 834960, 845184, 862792, 872448, 874944, 888832, 890624, 903168, 924420, 952320, 954240, 970641, 972160, 986048, 999936, 1001952, 1003520, 1017856, 1056480, 1078490, 1090560, 1093680, 1109304, 1111040, 1113280, 1126912, 1128960, 1142784, 1145088, 1166592, 1232560, 1249920, 1252440, 1267776, 1272320, 1290240, 1294188, 1308672, 1333248, 1335936, 1386630, 1408640, 1428480, 1431360, 1454080, 1458240, 1479072, 1505280, 1526784, 1555456, 1584720, 1617735, 1635840, 1666560, 1669920, 1690368, 1725584, 1749888, 1781248, 1806336, 1848840, 1904640, 1908480, 1941282, 1944320, 1972096, 1999872, 2003904, 2035712, 2112960, 2156980, 2181120, 2187360, 2218608, 2222080, 2226560, 2253824, 2257920, 2290176, 2333184, 2465120, 2499840, 2504880, 2535552, 2544640, 2588376, 2617344, 2666496, 2671872, 2773260, 2817280, 2856960, 2862720, 2916480, 2958144, 3010560, 3053568, 3110912, 3169440, 3235470, 3271680, 3333120, 3339840, 3380736, 3451168, 3499776, 3562496, 3697680, 3816960, 3882564, 3888640, 3944192, 3999744, 4007808, 4225920, 4313960, 4362240, 4374720, 4437216, 4444160, 4453120, 4507648, 4515840, 4580352, 4666368, 4853205, 4930240, 4999680, 5009760, 5071104, 5089280, 5176752, 5343744, 5546520, 5634560, 5713920, 5725440, 5832960, 5916288, 6107136, 6221824, 6338880, 6470940, 6543360, 6666240, 6679680, 6761472, 6902336, 6999552, 7124992, 7395360, 7633920, 7765128, 7777280, 7888384, 7999488, 8015616, 8451840, 8627920, 8749440, 8874432, 8906240, 9015296, 9031680, 9160704, 9332736, 9706410, 9860480, 9999360, 10019520, 10142208, 10178560, 10353504, 10687488, 11093040, 11269120, 11450880, 11665920, 11832576, 12677760, 12941880, 13086720, 13332480, 13359360, 13522944, 13804672, 13999104, 14249984, 14790720, 15267840, 15530256, 15554560, 15776768, 16031232, 16903680, 17255840, 17498880, 17748864, 17812480, 18321408, 18665472, 19412820, 19720960, 19998720, 20039040, 20284416, 20707008, 21374976, 22186080, 22538240, 22901760, 23331840, 23665152, 25355520, 25883760, 26718720, 27045888, 27609344, 27998208, 29581440, 30535680, 31060512, 31109120, 31553536, 32062464, 33807360, 34511680, 34997760, 35497728, 35624960, 38825640, 39441920, 39997440, 40078080, 40568832, 41414016, 42749952, 44372160, 45076480, 45803520, 46663680, 47330304, 50711040, 51767520, 53437440, 55218688, 55996416, 59162880, 62121024, 63107072, 64124928, 67614720, 69023360, 69995520, 70995456, 71249920, 77651280, 78883840, 80156160, 81137664, 82828032, 88744320, 91607040, 93327360, 94660608, 101422080, 103535040, 106874880, 110437376, 118325760, 124242048, 128249856, 135229440, 138046720, 139991040, 141990912, 155302560, 157767680, 160312320, 165656064, 177488640, 189321216, 202844160, 207070080, 213749760, 220874752, 236651520, 248484096, 276093440, 279982080, 283981824, 310605120, 315535360, 320624640, 331312128, 354977280, 405688320, 414140160, 441749504, 473303040, 496968192, 552186880, 567963648, 621210240, 641249280, 662624256, 709954560, 828280320, 946606080, 993936384, 1104373760, 1242420480, 1325248512, 1419909120, 1656560640, 1987872768, 2208747520, 2484840960, 2839818240, 3313121280, 3975745536, 4969681920, 6626242560, 9939363840, 19878727680]

約数ペア:

[(1, 19878727680), (2, 9939363840), (3, 6626242560), (4, 4969681920), (5, 3975745536), (6, 3313121280), (7, 2839818240), (8, 2484840960), (9, 2208747520), (10, 1987872768), (12, 1656560640), (14, 1419909120), (15, 1325248512), (16, 1242420480), (18, 1104373760), (20, 993936384), (21, 946606080), (24, 828280320), (28, 709954560), (30, 662624256), (31, 641249280), (32, 621210240), (35, 567963648), (36, 552186880), (40, 496968192), (42, 473303040), (45, 441749504), (48, 414140160), (49, 405688320), (56, 354977280), (60, 331312128), (62, 320624640), (63, 315535360), (64, 310605120), (70, 283981824), (71, 279982080), (72, 276093440), (80, 248484096), (84, 236651520), (90, 220874752), (93, 213749760), (96, 207070080), (98, 202844160), (105, 189321216), (112, 177488640), (120, 165656064), (124, 160312320), (126, 157767680), (128, 155302560), (140, 141990912), (142, 139991040), (144, 138046720), (147, 135229440), (155, 128249856), (160, 124242048), (168, 118325760), (180, 110437376), (186, 106874880), (192, 103535040), (196, 101422080), (210, 94660608), (213, 93327360), (217, 91607040), (224, 88744320), (240, 82828032), (245, 81137664), (248, 80156160), (252, 78883840), (256, 77651280), (279, 71249920), (280, 70995456), (284, 69995520), (288, 69023360), (294, 67614720), (310, 64124928), (315, 63107072), (320, 62121024), (336, 59162880), (355, 55996416), (360, 55218688), (372, 53437440), (384, 51767520), (392, 50711040), (420, 47330304), (426, 46663680), (434, 45803520), (441, 45076480), (448, 44372160), (465, 42749952), (480, 41414016), (490, 40568832), (496, 40078080), (497, 39997440), (504, 39441920), (512, 38825640), (558, 35624960), (560, 35497728), (568, 34997760), (576, 34511680), (588, 33807360), (620, 32062464), (630, 31553536), (639, 31109120), (640, 31060512), (651, 30535680), (672, 29581440), (710, 27998208), (720, 27609344), (735, 27045888), (744, 26718720), (768, 25883760), (784, 25355520), (840, 23665152), (852, 23331840), (868, 22901760), (882, 22538240), (896, 22186080), (930, 21374976), (960, 20707008), (980, 20284416), (992, 20039040), (994, 19998720), (1008, 19720960), (1024, 19412820), (1065, 18665472), (1085, 18321408), (1116, 17812480), (1120, 17748864), (1136, 17498880), (1152, 17255840), (1176, 16903680), (1240, 16031232), (1260, 15776768), (1278, 15554560), (1280, 15530256), (1302, 15267840), (1344, 14790720), (1395, 14249984), (1420, 13999104), (1440, 13804672), (1470, 13522944), (1488, 13359360), (1491, 13332480), (1519, 13086720), (1536, 12941880), (1568, 12677760), (1680, 11832576), (1704, 11665920), (1736, 11450880), (1764, 11269120), (1792, 11093040), (1860, 10687488), (1920, 10353504), (1953, 10178560), (1960, 10142208), (1984, 10019520), (1988, 9999360), (2016, 9860480), (2048, 9706410), (2130, 9332736), (2170, 9160704), (2201, 9031680), (2205, 9015296), (2232, 8906240), (2240, 8874432), (2272, 8749440), (2304, 8627920), (2352, 8451840), (2480, 8015616), (2485, 7999488), (2520, 7888384), (2556, 7777280), (2560, 7765128), (2604, 7633920), (2688, 7395360), (2790, 7124992), (2840, 6999552), (2880, 6902336), (2940, 6761472), (2976, 6679680), (2982, 6666240), (3038, 6543360), (3072, 6470940), (3136, 6338880), (3195, 6221824), (3255, 6107136), (3360, 5916288), (3408, 5832960), (3472, 5725440), (3479, 5713920), (3528, 5634560), (3584, 5546520), (3720, 5343744), (3840, 5176752), (3906, 5089280), (3920, 5071104), (3968, 5009760), (3976, 4999680), (4032, 4930240), (4096, 4853205), (4260, 4666368), (4340, 4580352), (4402, 4515840), (4410, 4507648), (4464, 4453120), (4473, 4444160), (4480, 4437216), (4544, 4374720), (4557, 4362240), (4608, 4313960), (4704, 4225920), (4960, 4007808), (4970, 3999744), (5040, 3944192), (5112, 3888640), (5120, 3882564), (5208, 3816960), (5376, 3697680), (5580, 3562496), (5680, 3499776), (5760, 3451168), (5880, 3380736), (5952, 3339840), (5964, 3333120), (6076, 3271680), (6144, 3235470), (6272, 3169440), (6390, 3110912), (6510, 3053568), (6603, 3010560), (6720, 2958144), (6816, 2916480), (6944, 2862720), (6958, 2856960), (7056, 2817280), (7168, 2773260), (7440, 2671872), (7455, 2666496), (7595, 2617344), (7680, 2588376), (7812, 2544640), (7840, 2535552), (7936, 2504880), (7952, 2499840), (8064, 2465120), (8520, 2333184), (8680, 2290176), (8804, 2257920), (8820, 2253824), (8928, 2226560), (8946, 2222080), (8960, 2218608), (9088, 2187360), (9114, 2181120), (9216, 2156980), (9408, 2112960), (9765, 2035712), (9920, 2003904), (9940, 1999872), (10080, 1972096), (10224, 1944320), (10240, 1941282), (10416, 1908480), (10437, 1904640), (10752, 1848840), (11005, 1806336), (11160, 1781248), (11360, 1749888), (11520, 1725584), (11760, 1690368), (11904, 1669920), (11928, 1666560), (12152, 1635840), (12288, 1617735), (12544, 1584720), (12780, 1555456), (13020, 1526784), (13206, 1505280), (13440, 1479072), (13632, 1458240), (13671, 1454080), (13888, 1431360), (13916, 1428480), (14112, 1408640), (14336, 1386630), (14880, 1335936), (14910, 1333248), (15190, 1308672), (15360, 1294188), (15407, 1290240), (15624, 1272320), (15680, 1267776), (15872, 1252440), (15904, 1249920), (16128, 1232560), (17040, 1166592), (17360, 1145088), (17395, 1142784), (17608, 1128960), (17640, 1126912), (17856, 1113280), (17892, 1111040), (17920, 1109304), (18176, 1093680), (18228, 1090560), (18432, 1078490), (18816, 1056480), (19530, 1017856), (19809, 1003520), (19840, 1001952), (19880, 999936), (20160, 986048), (20448, 972160), (20480, 970641), (20832, 954240), (20874, 952320), (21504, 924420), (22010, 903168), (22320, 890624), (22365, 888832), (22720, 874944), (22785, 872448), (23040, 862792), (23520, 845184), (23808, 834960), (23856, 833280), (24304, 817920), (25088, 792360), (25560, 777728), (26040, 763392), (26412, 752640), (26880, 739536), (27264, 729120), (27342, 727040), (27776, 715680), (27832, 714240), (28224, 704320), (28672, 693315), (29760, 667968), (29820, 666624), (30380, 654336), (30720, 647094), (30814, 645120), (31248, 636160), (31311, 634880), (31360, 633888), (31744, 626220), (31808, 624960), (32256, 616280), (33015, 602112), (34080, 583296), (34720, 572544), (34790, 571392), (35216, 564480), (35280, 563456), (35712, 556640), (35784, 555520), (35840, 554652), (36352, 546840), (36456, 545280), (36864, 539245), (37632, 528240), (39060, 508928), (39618, 501760), (39680, 500976), (39760, 499968), (40320, 493024), (40896, 486080), (41664, 477120), (41748, 476160), (43008, 462210), (44020, 451584), (44640, 445312), (44730, 444416), (45440, 437472), (45570, 436224), (46080, 431396), (46221, 430080), (47040, 422592), (47616, 417480), (47712, 416640), (48608, 408960), (50176, 396180), (51120, 388864), (52080, 381696), (52185, 380928), (52824, 376320), (53760, 369768), (54528, 364560), (54684, 363520), (55552, 357840), (55664, 357120), (56448, 352160), (59520, 333984), (59640, 333312), (60760, 327168), (61440, 323547), (61628, 322560), (62496, 318080), (62622, 317440), (62720, 316944), (63488, 313110), (63616, 312480), (64512, 308140), (66030, 301056), (68160, 291648), (68355, 290816), (69440, 286272), (69580, 285696), (70432, 282240), (70560, 281728), (71424, 278320), (71568, 277760), (71680, 277326), (72704, 273420), (72912, 272640), (75264, 264120), (77035, 258048), (78120, 254464), (79236, 250880), (79360, 250488), (79520, 249984), (80640, 246512), (81792, 243040), (83328, 238560), (83496, 238080), (86016, 231105), (88040, 225792), (89280, 222656), (89460, 222208), (90880, 218736), (91140, 218112), (92160, 215698), (92442, 215040), (94080, 211296), (95232, 208740), (95424, 208320), (97216, 204480), (99045, 200704), (100352, 198090), (102240, 194432), (104160, 190848), (104370, 190464), (105648, 188160), (107520, 184884), (107849, 184320), (109056, 182280), (109368, 181760), (111104, 178920), (111328, 178560), (112896, 176080), (119040, 166992), (119280, 166656), (121520, 163584), (123256, 161280), (124992, 159040), (125244, 158720), (125440, 158472), (126976, 156555), (127232, 156240), (129024, 154070), (132060, 150528), (136320, 145824), (136710, 145408), (138663, 143360), (138880, 143136), (139160, 142848), (140864, 141120)]