20280478680

素因数分解:

$2^3\times 3^5\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 960

約数和(自身を含む): 88090329600

約数和(自身を除く): 67809850920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 54, 55, 56, 60, 63, 66, 70, 72, 77, 79, 81, 84, 88, 90, 98, 99, 105, 108, 110, 120, 126, 132, 135, 140, 147, 154, 158, 162, 165, 168, 180, 189, 196, 198, 210, 216, 220, 231, 237, 243, 245, 252, 264, 270, 280, 294, 297, 308, 315, 316, 324, 330, 343, 360, 378, 385, 392, 395, 396, 405, 420, 440, 441, 462, 474, 486, 490, 495, 504, 539, 540, 553, 567, 588, 594, 616, 630, 632, 648, 660, 686, 693, 711, 735, 756, 770, 790, 792, 810, 840, 869, 882, 891, 924, 945, 948, 972, 980, 990, 1029, 1078, 1080, 1106, 1134, 1155, 1176, 1185, 1188, 1215, 1260, 1320, 1323, 1372, 1386, 1422, 1470, 1485, 1512, 1540, 1580, 1617, 1620, 1659, 1701, 1715, 1738, 1764, 1782, 1848, 1890, 1896, 1944, 1960, 1980, 2058, 2079, 2133, 2156, 2205, 2212, 2268, 2310, 2370, 2376, 2401, 2430, 2520, 2607, 2646, 2673, 2695, 2744, 2765, 2772, 2835, 2844, 2940, 2970, 3080, 3087, 3160, 3234, 3240, 3318, 3402, 3430, 3465, 3476, 3528, 3555, 3564, 3773, 3780, 3871, 3960, 3969, 4116, 4158, 4266, 4312, 4345, 4410, 4424, 4455, 4536, 4620, 4740, 4802, 4851, 4860, 4977, 5145, 5214, 5292, 5346, 5390, 5530, 5544, 5670, 5688, 5880, 5940, 6083, 6174, 6237, 6399, 6468, 6615, 6636, 6804, 6860, 6930, 6952, 7110, 7128, 7203, 7546, 7560, 7742, 7821, 7938, 8085, 8232, 8295, 8316, 8505, 8532, 8690, 8820, 8910, 9240, 9261, 9480, 9604, 9702, 9720, 9954, 10290, 10395, 10428, 10584, 10665, 10692, 10780, 11060, 11319, 11340, 11613, 11880, 11907, 12005, 12166, 12348, 12474, 12798, 12936, 13035, 13230, 13272, 13365, 13608, 13720, 13860, 14220, 14406, 14553, 14931, 15092, 15435, 15484, 15642, 15876, 16170, 16590, 16632, 17010, 17064, 17380, 17640, 17820, 18249, 18522, 18711, 18865, 19197, 19208, 19355, 19404, 19845, 19908, 20580, 20790, 20856, 21330, 21384, 21560, 21609, 22120, 22638, 22680, 23226, 23463, 23814, 24010, 24255, 24332, 24696, 24885, 24948, 25596, 26070, 26411, 26460, 26730, 27097, 27720, 27783, 28440, 28812, 29106, 29862, 30184, 30415, 30870, 30968, 31185, 31284, 31752, 31995, 32340, 33180, 33957, 34020, 34760, 34839, 35640, 36015, 36498, 37044, 37422, 37730, 38394, 38710, 38808, 39105, 39690, 39816, 41160, 41580, 42581, 42660, 43218, 43659, 44793, 45276, 46305, 46452, 46926, 47628, 48020, 48510, 48664, 49770, 49896, 51192, 52140, 52822, 52920, 53460, 54194, 54747, 55566, 56595, 57624, 58065, 58212, 59535, 59724, 60830, 61740, 62370, 62568, 63990, 64680, 64827, 66360, 67914, 68040, 69678, 70389, 72030, 72765, 72996, 74088, 74655, 74844, 75460, 76788, 77420, 78210, 79233, 79380, 81291, 83160, 83349, 85162, 85320, 86436, 87318, 89586, 90552, 91245, 92610, 92904, 93555, 93852, 95256, 95985, 96040, 97020, 99540, 101871, 104280, 104517, 105644, 106920, 108045, 108388, 109494, 111132, 113190, 116130, 116424, 117315, 119070, 119448, 121660, 123480, 124740, 127743, 127980, 129654, 130977, 132055, 134379, 135485, 135828, 138915, 139356, 140778, 144060, 145530, 145992, 149310, 149688, 150920, 153576, 154840, 156420, 158466, 158760, 162582, 164241, 166698, 169785, 170324, 172872, 174195, 174636, 179172, 182490, 185220, 187110, 187704, 189679, 191970, 194040, 194481, 199080, 203742, 209034, 211167, 211288, 212905, 216090, 216776, 218295, 218988, 222264, 223965, 226380, 232260, 234630, 237699, 238140, 243320, 243873, 249480, 255486, 255960, 259308, 261954, 264110, 268758, 270970, 271656, 273735, 277830, 278712, 281556, 288120, 291060, 298067, 298620, 305613, 312840, 313551, 316932, 324135, 325164, 328482, 333396, 339570, 340648, 348390, 349272, 351945, 358344, 364980, 370440, 374220, 379358, 383229, 383940, 388962, 396165, 406455, 407484, 416745, 418068, 422334, 425810, 432180, 436590, 437976, 447930, 452760, 464520, 469260, 475398, 476280, 487746, 492723, 509355, 510972, 518616, 522585, 523908, 528220, 537516, 541940, 547470, 555660, 563112, 569037, 582120, 583443, 596134, 597240, 611226, 627102, 633864, 638715, 648270, 650328, 654885, 656964, 666792, 671895, 679140, 696780, 703890, 713097, 729960, 731619, 748440, 758716, 766458, 767880, 777924, 792330, 812910, 814968, 821205, 833490, 836136, 844668, 851620, 864360, 873180, 894201, 895860, 916839, 938520, 940653, 948395, 950796, 972405, 975492, 985446, 1018710, 1021944, 1045170, 1047816, 1055835, 1056440, 1075032, 1083880, 1094940, 1111320, 1138074, 1149687, 1166886, 1188495, 1192268, 1219365, 1222452, 1254204, 1277430, 1296540, 1309770, 1313928, 1343790, 1358280, 1393560, 1407780, 1426194, 1463238, 1478169, 1490335, 1517432, 1528065, 1532916, 1555848, 1567755, 1584660, 1625820, 1642410, 1666980, 1689336, 1703240, 1707111, 1746360, 1788402, 1791720, 1833678, 1881306, 1896790, 1901592, 1916145, 1944810, 1950984, 1970892, 2037420, 2086469, 2090340, 2111670, 2139291, 2189880, 2194857, 2276148, 2299374, 2333772, 2376990, 2384536, 2438730, 2444904, 2463615, 2508408, 2554860, 2593080, 2619540, 2682603, 2687580, 2815560, 2845185, 2852388, 2917215, 2926476, 2956338, 2980670, 3056130, 3065832, 3135510, 3169320, 3251640, 3284820, 3333960, 3414222, 3449061, 3565485, 3576804, 3658095, 3667356, 3762612, 3793580, 3832290, 3889620, 3941784, 4074840, 4172938, 4180680, 4223340, 4278582, 4389714, 4471005, 4552296, 4584195, 4598748, 4667544, 4703265, 4753980, 4877460, 4927230, 5109720, 5121333, 5239080, 5365206, 5375160, 5690370, 5704776, 5748435, 5834430, 5852952, 5912676, 5961340, 6112260, 6259407, 6271020, 6417873, 6569640, 6584571, 6828444, 6898122, 7130970, 7153608, 7316190, 7334712, 7390845, 7525224, 7587160, 7664580, 7779240, 8047809, 8345876, 8446680, 8535555, 8557164, 8779428, 8942010, 9168390, 9197496, 9406530, 9507960, 9754920, 9854460, 10242666, 10347183, 10432345, 10696455, 10730412, 10974285, 11380740, 11496870, 11668860, 11825352, 11922680, 12224520, 12518814, 12542040, 12835746, 13169142, 13413015, 13656888, 13796244, 14261940, 14632380, 14781690, 15329160, 15363999, 16095618, 16691752, 17071110, 17114328, 17245305, 17558856, 17884020, 18336780, 18778221, 18813060, 19708920, 20485332, 20694366, 20864690, 21392910, 21460824, 21948570, 22761480, 22993740, 23337720, 24143427, 25037628, 25606665, 25671492, 26338284, 26826030, 27592488, 28523880, 29264760, 29563380, 30727998, 31297035, 32089365, 32191236, 32922855, 34142220, 34490610, 35768040, 36673560, 37556442, 37626120, 40239045, 40970664, 41388732, 41729380, 42785820, 43897140, 45987480, 46091997, 48286854, 50075256, 51213330, 51342984, 51735915, 52676568, 53652060, 56334663, 59126760, 61455996, 62594070, 64178730, 64382472, 65845710, 68284440, 68981220, 72430281, 75112884, 76819995, 80478090, 82777464, 83458760, 85571640, 87794280, 92183994, 93891105, 96573708, 102426660, 103471830, 107304120, 112669326, 120717135, 122911992, 125188140, 128357460, 131691420, 137962440, 144860562, 150225768, 153639990, 160956180, 169003989, 184367988, 187782210, 193147416, 204853320, 206943660, 225338652, 230459985, 241434270, 250376280, 256714920, 263382840, 281673315, 289721124, 307279980, 321912360, 338007978, 362151405, 368735976, 375564420, 413887320, 450677304, 460919970, 482868540, 507011967, 563346630, 579442248, 614559960, 676015956, 724302810, 751128840, 845019945, 921839940, 965737080, 1014023934, 1126693260, 1352031912, 1448605620, 1690039890, 1843679880, 2028047868, 2253386520, 2535059835, 2897211240, 3380079780, 4056095736, 5070119670, 6760159560, 10140239340, 20280478680]

約数ペア:

[(1, 20280478680), (2, 10140239340), (3, 6760159560), (4, 5070119670), (5, 4056095736), (6, 3380079780), (7, 2897211240), (8, 2535059835), (9, 2253386520), (10, 2028047868), (11, 1843679880), (12, 1690039890), (14, 1448605620), (15, 1352031912), (18, 1126693260), (20, 1014023934), (21, 965737080), (22, 921839940), (24, 845019945), (27, 751128840), (28, 724302810), (30, 676015956), (33, 614559960), (35, 579442248), (36, 563346630), (40, 507011967), (42, 482868540), (44, 460919970), (45, 450677304), (49, 413887320), (54, 375564420), (55, 368735976), (56, 362151405), (60, 338007978), (63, 321912360), (66, 307279980), (70, 289721124), (72, 281673315), (77, 263382840), (79, 256714920), (81, 250376280), (84, 241434270), (88, 230459985), (90, 225338652), (98, 206943660), (99, 204853320), (105, 193147416), (108, 187782210), (110, 184367988), (120, 169003989), (126, 160956180), (132, 153639990), (135, 150225768), (140, 144860562), (147, 137962440), (154, 131691420), (158, 128357460), (162, 125188140), (165, 122911992), (168, 120717135), (180, 112669326), (189, 107304120), (196, 103471830), (198, 102426660), (210, 96573708), (216, 93891105), (220, 92183994), (231, 87794280), (237, 85571640), (243, 83458760), (245, 82777464), (252, 80478090), (264, 76819995), (270, 75112884), (280, 72430281), (294, 68981220), (297, 68284440), (308, 65845710), (315, 64382472), (316, 64178730), (324, 62594070), (330, 61455996), (343, 59126760), (360, 56334663), (378, 53652060), (385, 52676568), (392, 51735915), (395, 51342984), (396, 51213330), (405, 50075256), (420, 48286854), (440, 46091997), (441, 45987480), (462, 43897140), (474, 42785820), (486, 41729380), (490, 41388732), (495, 40970664), (504, 40239045), (539, 37626120), (540, 37556442), (553, 36673560), (567, 35768040), (588, 34490610), (594, 34142220), (616, 32922855), (630, 32191236), (632, 32089365), (648, 31297035), (660, 30727998), (686, 29563380), (693, 29264760), (711, 28523880), (735, 27592488), (756, 26826030), (770, 26338284), (790, 25671492), (792, 25606665), (810, 25037628), (840, 24143427), (869, 23337720), (882, 22993740), (891, 22761480), (924, 21948570), (945, 21460824), (948, 21392910), (972, 20864690), (980, 20694366), (990, 20485332), (1029, 19708920), (1078, 18813060), (1080, 18778221), (1106, 18336780), (1134, 17884020), (1155, 17558856), (1176, 17245305), (1185, 17114328), (1188, 17071110), (1215, 16691752), (1260, 16095618), (1320, 15363999), (1323, 15329160), (1372, 14781690), (1386, 14632380), (1422, 14261940), (1470, 13796244), (1485, 13656888), (1512, 13413015), (1540, 13169142), (1580, 12835746), (1617, 12542040), (1620, 12518814), (1659, 12224520), (1701, 11922680), (1715, 11825352), (1738, 11668860), (1764, 11496870), (1782, 11380740), (1848, 10974285), (1890, 10730412), (1896, 10696455), (1944, 10432345), (1960, 10347183), (1980, 10242666), (2058, 9854460), (2079, 9754920), (2133, 9507960), (2156, 9406530), (2205, 9197496), (2212, 9168390), (2268, 8942010), (2310, 8779428), (2370, 8557164), (2376, 8535555), (2401, 8446680), (2430, 8345876), (2520, 8047809), (2607, 7779240), (2646, 7664580), (2673, 7587160), (2695, 7525224), (2744, 7390845), (2765, 7334712), (2772, 7316190), (2835, 7153608), (2844, 7130970), (2940, 6898122), (2970, 6828444), (3080, 6584571), (3087, 6569640), (3160, 6417873), (3234, 6271020), (3240, 6259407), (3318, 6112260), (3402, 5961340), (3430, 5912676), (3465, 5852952), (3476, 5834430), (3528, 5748435), (3555, 5704776), (3564, 5690370), (3773, 5375160), (3780, 5365206), (3871, 5239080), (3960, 5121333), (3969, 5109720), (4116, 4927230), (4158, 4877460), (4266, 4753980), (4312, 4703265), (4345, 4667544), (4410, 4598748), (4424, 4584195), (4455, 4552296), (4536, 4471005), (4620, 4389714), (4740, 4278582), (4802, 4223340), (4851, 4180680), (4860, 4172938), (4977, 4074840), (5145, 3941784), (5214, 3889620), (5292, 3832290), (5346, 3793580), (5390, 3762612), (5530, 3667356), (5544, 3658095), (5670, 3576804), (5688, 3565485), (5880, 3449061), (5940, 3414222), (6083, 3333960), (6174, 3284820), (6237, 3251640), (6399, 3169320), (6468, 3135510), (6615, 3065832), (6636, 3056130), (6804, 2980670), (6860, 2956338), (6930, 2926476), (6952, 2917215), (7110, 2852388), (7128, 2845185), (7203, 2815560), (7546, 2687580), (7560, 2682603), (7742, 2619540), (7821, 2593080), (7938, 2554860), (8085, 2508408), (8232, 2463615), (8295, 2444904), (8316, 2438730), (8505, 2384536), (8532, 2376990), (8690, 2333772), (8820, 2299374), (8910, 2276148), (9240, 2194857), (9261, 2189880), (9480, 2139291), (9604, 2111670), (9702, 2090340), (9720, 2086469), (9954, 2037420), (10290, 1970892), (10395, 1950984), (10428, 1944810), (10584, 1916145), (10665, 1901592), (10692, 1896790), (10780, 1881306), (11060, 1833678), (11319, 1791720), (11340, 1788402), (11613, 1746360), (11880, 1707111), (11907, 1703240), (12005, 1689336), (12166, 1666980), (12348, 1642410), (12474, 1625820), (12798, 1584660), (12936, 1567755), (13035, 1555848), (13230, 1532916), (13272, 1528065), (13365, 1517432), (13608, 1490335), (13720, 1478169), (13860, 1463238), (14220, 1426194), (14406, 1407780), (14553, 1393560), (14931, 1358280), (15092, 1343790), (15435, 1313928), (15484, 1309770), (15642, 1296540), (15876, 1277430), (16170, 1254204), (16590, 1222452), (16632, 1219365), (17010, 1192268), (17064, 1188495), (17380, 1166886), (17640, 1149687), (17820, 1138074), (18249, 1111320), (18522, 1094940), (18711, 1083880), (18865, 1075032), (19197, 1056440), (19208, 1055835), (19355, 1047816), (19404, 1045170), (19845, 1021944), (19908, 1018710), (20580, 985446), (20790, 975492), (20856, 972405), (21330, 950796), (21384, 948395), (21560, 940653), (21609, 938520), (22120, 916839), (22638, 895860), (22680, 894201), (23226, 873180), (23463, 864360), (23814, 851620), (24010, 844668), (24255, 836136), (24332, 833490), (24696, 821205), (24885, 814968), (24948, 812910), (25596, 792330), (26070, 777924), (26411, 767880), (26460, 766458), (26730, 758716), (27097, 748440), (27720, 731619), (27783, 729960), (28440, 713097), (28812, 703890), (29106, 696780), (29862, 679140), (30184, 671895), (30415, 666792), (30870, 656964), (30968, 654885), (31185, 650328), (31284, 648270), (31752, 638715), (31995, 633864), (32340, 627102), (33180, 611226), (33957, 597240), (34020, 596134), (34760, 583443), (34839, 582120), (35640, 569037), (36015, 563112), (36498, 555660), (37044, 547470), (37422, 541940), (37730, 537516), (38394, 528220), (38710, 523908), (38808, 522585), (39105, 518616), (39690, 510972), (39816, 509355), (41160, 492723), (41580, 487746), (42581, 476280), (42660, 475398), (43218, 469260), (43659, 464520), (44793, 452760), (45276, 447930), (46305, 437976), (46452, 436590), (46926, 432180), (47628, 425810), (48020, 422334), (48510, 418068), (48664, 416745), (49770, 407484), (49896, 406455), (51192, 396165), (52140, 388962), (52822, 383940), (52920, 383229), (53460, 379358), (54194, 374220), (54747, 370440), (55566, 364980), (56595, 358344), (57624, 351945), (58065, 349272), (58212, 348390), (59535, 340648), (59724, 339570), (60830, 333396), (61740, 328482), (62370, 325164), (62568, 324135), (63990, 316932), (64680, 313551), (64827, 312840), (66360, 305613), (67914, 298620), (68040, 298067), (69678, 291060), (70389, 288120), (72030, 281556), (72765, 278712), (72996, 277830), (74088, 273735), (74655, 271656), (74844, 270970), (75460, 268758), (76788, 264110), (77420, 261954), (78210, 259308), (79233, 255960), (79380, 255486), (81291, 249480), (83160, 243873), (83349, 243320), (85162, 238140), (85320, 237699), (86436, 234630), (87318, 232260), (89586, 226380), (90552, 223965), (91245, 222264), (92610, 218988), (92904, 218295), (93555, 216776), (93852, 216090), (95256, 212905), (95985, 211288), (96040, 211167), (97020, 209034), (99540, 203742), (101871, 199080), (104280, 194481), (104517, 194040), (105644, 191970), (106920, 189679), (108045, 187704), (108388, 187110), (109494, 185220), (111132, 182490), (113190, 179172), (116130, 174636), (116424, 174195), (117315, 172872), (119070, 170324), (119448, 169785), (121660, 166698), (123480, 164241), (124740, 162582), (127743, 158760), (127980, 158466), (129654, 156420), (130977, 154840), (132055, 153576), (134379, 150920), (135485, 149688), (135828, 149310), (138915, 145992), (139356, 145530), (140778, 144060)]