20111681520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 960

約数和(自身を含む): 84680294400

約数和(自身を除く): 64568612880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 37, 40, 42, 45, 48, 49, 56, 60, 62, 63, 70, 71, 72, 74, 80, 84, 90, 93, 98, 105, 111, 112, 120, 124, 126, 140, 142, 144, 147, 148, 155, 168, 180, 185, 186, 196, 210, 213, 217, 222, 240, 245, 248, 252, 259, 279, 280, 284, 294, 296, 310, 315, 333, 336, 343, 355, 360, 370, 372, 392, 420, 426, 434, 441, 444, 465, 490, 496, 497, 504, 518, 555, 558, 560, 568, 588, 592, 620, 630, 639, 651, 666, 686, 710, 720, 735, 740, 744, 777, 784, 840, 852, 868, 882, 888, 930, 980, 994, 1008, 1029, 1036, 1065, 1085, 1110, 1116, 1136, 1147, 1176, 1240, 1260, 1278, 1295, 1302, 1332, 1372, 1395, 1420, 1470, 1480, 1488, 1491, 1519, 1554, 1665, 1680, 1704, 1715, 1736, 1764, 1776, 1813, 1860, 1953, 1960, 1988, 2058, 2072, 2130, 2170, 2201, 2205, 2220, 2232, 2294, 2331, 2352, 2480, 2485, 2520, 2556, 2590, 2604, 2627, 2664, 2744, 2790, 2840, 2940, 2960, 2982, 3038, 3087, 3108, 3195, 3255, 3330, 3408, 3430, 3441, 3472, 3479, 3528, 3626, 3720, 3885, 3906, 3920, 3976, 4116, 4144, 4260, 4340, 4402, 4410, 4440, 4464, 4473, 4557, 4588, 4662, 4970, 5040, 5112, 5145, 5180, 5208, 5254, 5328, 5439, 5488, 5580, 5680, 5735, 5880, 5964, 6076, 6174, 6216, 6390, 6510, 6603, 6660, 6860, 6882, 6958, 7056, 7252, 7440, 7455, 7595, 7770, 7812, 7881, 7952, 8029, 8232, 8520, 8680, 8804, 8820, 8880, 8946, 9065, 9114, 9176, 9324, 9765, 9940, 10224, 10290, 10323, 10360, 10416, 10437, 10508, 10633, 10878, 11005, 11160, 11470, 11655, 11760, 11928, 12152, 12348, 12432, 12691, 12780, 13020, 13135, 13206, 13320, 13671, 13720, 13764, 13916, 14504, 14910, 15190, 15407, 15435, 15540, 15624, 15762, 16058, 16317, 16464, 17040, 17205, 17360, 17395, 17608, 17640, 17892, 18130, 18228, 18352, 18389, 18648, 19530, 19809, 19880, 20580, 20646, 20720, 20874, 21016, 21266, 21756, 22010, 22320, 22365, 22785, 22940, 23310, 23643, 23856, 24087, 24304, 24353, 24696, 25382, 25560, 26040, 26270, 26412, 26640, 27195, 27342, 27440, 27528, 27832, 29008, 29820, 30380, 30814, 30870, 31080, 31248, 31311, 31524, 31899, 32116, 32634, 33015, 34410, 34790, 35216, 35280, 35784, 36260, 36456, 36778, 37296, 38073, 39060, 39405, 39618, 39760, 40145, 41160, 41292, 41748, 42032, 42532, 43512, 44020, 44730, 45570, 45880, 46221, 46620, 47286, 48174, 48706, 49392, 50764, 51120, 51615, 52080, 52185, 52540, 52824, 53165, 54390, 54684, 55056, 55167, 55664, 56203, 59640, 60760, 61628, 61740, 62160, 62622, 63048, 63455, 63798, 64232, 65268, 66030, 68355, 68820, 69580, 71568, 72261, 72520, 72912, 73059, 73556, 76146, 77035, 78120, 78810, 79236, 80290, 81437, 81585, 82320, 82584, 83496, 85064, 87024, 88040, 89460, 91140, 91760, 91945, 92442, 93240, 94572, 95697, 96348, 97412, 99045, 101528, 103230, 104370, 105080, 105648, 106330, 107849, 108780, 109368, 110334, 112406, 114219, 118215, 119280, 120435, 121520, 121765, 123256, 123480, 125244, 126096, 126910, 127596, 128464, 128723, 130536, 132060, 136710, 137640, 138663, 139160, 144522, 145040, 146118, 147112, 152292, 154070, 156240, 156555, 157620, 158472, 159495, 160580, 162874, 163170, 165168, 165501, 166992, 168609, 170128, 176080, 178920, 182280, 183890, 184884, 186480, 189144, 190365, 191394, 192696, 194824, 198090, 203056, 206460, 208740, 210160, 212660, 215698, 217560, 218736, 219177, 220668, 224812, 228438, 231105, 236430, 240870, 243530, 244311, 246512, 246960, 250488, 253820, 255192, 257446, 261072, 264120, 273420, 275280, 275835, 277326, 278320, 281015, 289044, 292236, 294224, 304584, 308140, 313110, 315240, 316944, 318990, 321160, 323547, 325748, 326340, 331002, 337218, 357840, 361305, 364560, 365295, 367780, 369768, 378288, 380730, 382788, 385392, 386169, 389648, 393421, 396180, 407185, 412920, 417480, 425320, 431396, 435120, 438354, 441336, 449624, 456876, 462210, 472860, 478485, 481740, 487060, 488622, 500976, 505827, 507640, 510384, 514892, 528240, 539245, 546840, 551670, 554652, 562030, 570059, 571095, 578088, 584472, 609168, 616280, 626220, 630480, 637980, 642320, 643615, 647094, 651496, 652680, 662004, 674436, 693315, 722610, 730590, 732933, 735560, 739536, 754943, 761460, 765576, 772338, 786842, 792360, 814370, 825840, 827505, 834960, 843045, 850640, 862792, 876708, 882672, 899248, 901061, 913752, 924420, 945720, 956970, 963480, 970641, 974120, 977244, 1011654, 1015280, 1029784, 1078490, 1093680, 1095885, 1103340, 1109304, 1124060, 1140118, 1142190, 1156176, 1158507, 1168944, 1180263, 1221555, 1232560, 1252440, 1275960, 1287230, 1294188, 1302992, 1305360, 1324008, 1348872, 1386630, 1445220, 1461180, 1465866, 1471120, 1509886, 1522920, 1531152, 1544676, 1573684, 1584720, 1617735, 1628740, 1655010, 1686090, 1710177, 1725584, 1753416, 1802122, 1827504, 1848840, 1891440, 1913940, 1926960, 1930845, 1941282, 1948240, 1954488, 1967105, 2023308, 2059568, 2156980, 2191770, 2206680, 2218608, 2248120, 2264829, 2280236, 2284380, 2317014, 2360526, 2443110, 2504880, 2529135, 2551920, 2574460, 2588376, 2648016, 2697744, 2703183, 2773260, 2850295, 2890440, 2922360, 2931732, 3019772, 3045840, 3089352, 3147368, 3235470, 3257480, 3310020, 3372180, 3420354, 3506832, 3540789, 3604244, 3664665, 3697680, 3774715, 3827880, 3861690, 3882564, 3908976, 3934210, 3990413, 4046616, 4313960, 4383540, 4413360, 4496240, 4505305, 4529658, 4560472, 4568760, 4634028, 4721052, 4853205, 4886220, 5058270, 5130531, 5148920, 5176752, 5406366, 5546520, 5700590, 5780880, 5792535, 5844720, 5863464, 5901315, 6039544, 6178704, 6294736, 6470940, 6514960, 6620040, 6744360, 6794487, 6840708, 7081578, 7208488, 7329330, 7549430, 7655760, 7723380, 7765128, 7868420, 7980826, 8093232, 8109549, 8550885, 8627920, 8767080, 9010610, 9059316, 9120944, 9137520, 9268056, 9442104, 9706410, 9772440, 10116540, 10261062, 10297840, 10812732, 11093040, 11324145, 11401180, 11585070, 11726928, 11802630, 11971239, 12079088, 12941880, 13240080, 13488720, 13515915, 13588974, 13681416, 14163156, 14416976, 14658660, 15098860, 15446760, 15530256, 15736840, 15961652, 16219098, 17101770, 17534160, 17703945, 18021220, 18118632, 18536112, 18884208, 19412820, 19544880, 19952065, 20233080, 20522124, 21625464, 22648290, 22802360, 23170140, 23605260, 23942478, 25652655, 25883760, 27031830, 27177948, 27362832, 27932891, 28326312, 29317320, 30197720, 30893520, 31473680, 31923304, 32438196, 33972435, 34203540, 35407890, 35913717, 36042440, 36237264, 38825640, 39904130, 40466160, 40547745, 41044248, 43250928, 45296580, 45604720, 46340280, 47210520, 47884956, 51305310, 54063660, 54355896, 55865782, 56652624, 58634640, 59856195, 60395440, 63846608, 64876392, 67944870, 68407080, 70815780, 71827434, 72084880, 77651280, 79808260, 81095490, 82088496, 83798673, 90593160, 92680560, 94421040, 95769912, 102610620, 108127320, 108711792, 111731564, 119712390, 129752784, 135889740, 136814160, 139664455, 141631560, 143654868, 159616520, 162190980, 167597346, 179568585, 181186320, 191539824, 205221240, 216254640, 223463128, 239424780, 251396019, 271779480, 279328910, 283263120, 287309736, 319233040, 324381960, 335194692, 359137170, 410442480, 418993365, 446926256, 478849560, 502792038, 543558960, 558657820, 574619472, 648763920, 670389384, 718274340, 837986730, 957699120, 1005584076, 1117315640, 1256980095, 1340778768, 1436548680, 1675973460, 2011168152, 2234631280, 2513960190, 2873097360, 3351946920, 4022336304, 5027920380, 6703893840, 10055840760, 20111681520]

約数ペア:

[(1, 20111681520), (2, 10055840760), (3, 6703893840), (4, 5027920380), (5, 4022336304), (6, 3351946920), (7, 2873097360), (8, 2513960190), (9, 2234631280), (10, 2011168152), (12, 1675973460), (14, 1436548680), (15, 1340778768), (16, 1256980095), (18, 1117315640), (20, 1005584076), (21, 957699120), (24, 837986730), (28, 718274340), (30, 670389384), (31, 648763920), (35, 574619472), (36, 558657820), (37, 543558960), (40, 502792038), (42, 478849560), (45, 446926256), (48, 418993365), (49, 410442480), (56, 359137170), (60, 335194692), (62, 324381960), (63, 319233040), (70, 287309736), (71, 283263120), (72, 279328910), (74, 271779480), (80, 251396019), (84, 239424780), (90, 223463128), (93, 216254640), (98, 205221240), (105, 191539824), (111, 181186320), (112, 179568585), (120, 167597346), (124, 162190980), (126, 159616520), (140, 143654868), (142, 141631560), (144, 139664455), (147, 136814160), (148, 135889740), (155, 129752784), (168, 119712390), (180, 111731564), (185, 108711792), (186, 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(882, 22802360), (888, 22648290), (930, 21625464), (980, 20522124), (994, 20233080), (1008, 19952065), (1029, 19544880), (1036, 19412820), (1065, 18884208), (1085, 18536112), (1110, 18118632), (1116, 18021220), (1136, 17703945), (1147, 17534160), (1176, 17101770), (1240, 16219098), (1260, 15961652), (1278, 15736840), (1295, 15530256), (1302, 15446760), (1332, 15098860), (1372, 14658660), (1395, 14416976), (1420, 14163156), (1470, 13681416), (1480, 13588974), (1488, 13515915), (1491, 13488720), (1519, 13240080), (1554, 12941880), (1665, 12079088), (1680, 11971239), (1704, 11802630), (1715, 11726928), (1736, 11585070), (1764, 11401180), (1776, 11324145), (1813, 11093040), (1860, 10812732), (1953, 10297840), (1960, 10261062), (1988, 10116540), (2058, 9772440), (2072, 9706410), (2130, 9442104), (2170, 9268056), (2201, 9137520), (2205, 9120944), (2220, 9059316), (2232, 9010610), (2294, 8767080), (2331, 8627920), (2352, 8550885), (2480, 8109549), (2485, 8093232), (2520, 7980826), (2556, 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(6390, 3147368), (6510, 3089352), (6603, 3045840), (6660, 3019772), (6860, 2931732), (6882, 2922360), (6958, 2890440), (7056, 2850295), (7252, 2773260), (7440, 2703183), (7455, 2697744), (7595, 2648016), (7770, 2588376), (7812, 2574460), (7881, 2551920), (7952, 2529135), (8029, 2504880), (8232, 2443110), (8520, 2360526), (8680, 2317014), (8804, 2284380), (8820, 2280236), (8880, 2264829), (8946, 2248120), (9065, 2218608), (9114, 2206680), (9176, 2191770), (9324, 2156980), (9765, 2059568), (9940, 2023308), (10224, 1967105), (10290, 1954488), (10323, 1948240), (10360, 1941282), (10416, 1930845), (10437, 1926960), (10508, 1913940), (10633, 1891440), (10878, 1848840), (11005, 1827504), (11160, 1802122), (11470, 1753416), (11655, 1725584), (11760, 1710177), (11928, 1686090), (12152, 1655010), (12348, 1628740), (12432, 1617735), (12691, 1584720), (12780, 1573684), (13020, 1544676), (13135, 1531152), (13206, 1522920), (13320, 1509886), (13671, 1471120), (13720, 1465866), (13764, 1461180), (13916, 1445220), (14504, 1386630), (14910, 1348872), (15190, 1324008), (15407, 1305360), (15435, 1302992), (15540, 1294188), (15624, 1287230), (15762, 1275960), (16058, 1252440), (16317, 1232560), (16464, 1221555), (17040, 1180263), (17205, 1168944), (17360, 1158507), (17395, 1156176), (17608, 1142190), (17640, 1140118), (17892, 1124060), (18130, 1109304), (18228, 1103340), (18352, 1095885), (18389, 1093680), (18648, 1078490), (19530, 1029784), (19809, 1015280), (19880, 1011654), (20580, 977244), (20646, 974120), (20720, 970641), (20874, 963480), (21016, 956970), (21266, 945720), (21756, 924420), (22010, 913752), (22320, 901061), (22365, 899248), (22785, 882672), (22940, 876708), (23310, 862792), (23643, 850640), (23856, 843045), (24087, 834960), (24304, 827505), (24353, 825840), (24696, 814370), (25382, 792360), (25560, 786842), (26040, 772338), (26270, 765576), (26412, 761460), (26640, 754943), (27195, 739536), (27342, 735560), (27440, 732933), (27528, 730590), (27832, 722610), (29008, 693315), (29820, 674436), (30380, 662004), (30814, 652680), (30870, 651496), (31080, 647094), (31248, 643615), (31311, 642320), (31524, 637980), (31899, 630480), (32116, 626220), (32634, 616280), (33015, 609168), (34410, 584472), (34790, 578088), (35216, 571095), (35280, 570059), (35784, 562030), (36260, 554652), (36456, 551670), (36778, 546840), (37296, 539245), (38073, 528240), (39060, 514892), (39405, 510384), (39618, 507640), (39760, 505827), (40145, 500976), (41160, 488622), (41292, 487060), (41748, 481740), (42032, 478485), (42532, 472860), (43512, 462210), (44020, 456876), (44730, 449624), (45570, 441336), (45880, 438354), (46221, 435120), (46620, 431396), (47286, 425320), (48174, 417480), (48706, 412920), (49392, 407185), (50764, 396180), (51120, 393421), (51615, 389648), (52080, 386169), (52185, 385392), (52540, 382788), (52824, 380730), (53165, 378288), (54390, 369768), (54684, 367780), (55056, 365295), (55167, 364560), (55664, 361305), (56203, 357840), (59640, 337218), (60760, 331002), (61628, 326340), (61740, 325748), (62160, 323547), (62622, 321160), (63048, 318990), (63455, 316944), (63798, 315240), (64232, 313110), (65268, 308140), (66030, 304584), (68355, 294224), (68820, 292236), (69580, 289044), (71568, 281015), (72261, 278320), (72520, 277326), (72912, 275835), (73059, 275280), (73556, 273420), (76146, 264120), (77035, 261072), (78120, 257446), (78810, 255192), (79236, 253820), (80290, 250488), (81437, 246960), (81585, 246512), (82320, 244311), (82584, 243530), (83496, 240870), (85064, 236430), (87024, 231105), (88040, 228438), (89460, 224812), (91140, 220668), (91760, 219177), (91945, 218736), (92442, 217560), (93240, 215698), (94572, 212660), (95697, 210160), (96348, 208740), (97412, 206460), (99045, 203056), (101528, 198090), (103230, 194824), (104370, 192696), (105080, 191394), (105648, 190365), (106330, 189144), (107849, 186480), (108780, 184884), (109368, 183890), (110334, 182280), (112406, 178920), (114219, 176080), (118215, 170128), (119280, 168609), (120435, 166992), (121520, 165501), (121765, 165168), (123256, 163170), (123480, 162874), (125244, 160580), (126096, 159495), (126910, 158472), (127596, 157620), (128464, 156555), (128723, 156240), (130536, 154070), (132060, 152292), (136710, 147112), (137640, 146118), (138663, 145040), (139160, 144522)]