20668728960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 1024

約数和(自身を含む): 86365440000

約数和(自身を除く): 65696711040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 27, 30, 32, 33, 36, 38, 40, 44, 45, 48, 54, 55, 57, 59, 60, 64, 66, 72, 76, 80, 88, 90, 95, 96, 97, 99, 108, 110, 114, 118, 120, 128, 132, 135, 144, 152, 160, 165, 171, 176, 177, 180, 190, 192, 194, 198, 209, 216, 220, 228, 236, 240, 264, 270, 285, 288, 291, 295, 297, 304, 320, 330, 342, 352, 354, 360, 380, 384, 388, 396, 418, 432, 440, 456, 472, 480, 485, 495, 513, 528, 531, 540, 570, 576, 582, 590, 594, 608, 627, 640, 649, 660, 684, 704, 708, 720, 760, 776, 792, 836, 855, 864, 873, 880, 885, 912, 944, 960, 970, 990, 1026, 1045, 1056, 1062, 1067, 1080, 1121, 1140, 1152, 1164, 1180, 1188, 1216, 1254, 1298, 1320, 1368, 1408, 1416, 1440, 1455, 1485, 1520, 1552, 1584, 1593, 1672, 1710, 1728, 1746, 1760, 1770, 1824, 1843, 1881, 1888, 1920, 1940, 1947, 1980, 2052, 2090, 2112, 2124, 2134, 2160, 2242, 2280, 2328, 2360, 2376, 2432, 2508, 2565, 2596, 2619, 2640, 2655, 2736, 2832, 2880, 2910, 2970, 3040, 3104, 3135, 3168, 3186, 3201, 3245, 3344, 3363, 3420, 3456, 3492, 3520, 3540, 3648, 3686, 3762, 3776, 3880, 3894, 3960, 4104, 4180, 4224, 4248, 4268, 4320, 4365, 4484, 4560, 4656, 4720, 4752, 5016, 5130, 5192, 5238, 5280, 5310, 5335, 5472, 5529, 5605, 5643, 5664, 5723, 5760, 5820, 5841, 5940, 6080, 6208, 6270, 6336, 6372, 6402, 6490, 6688, 6726, 6840, 6984, 7040, 7080, 7296, 7372, 7524, 7552, 7760, 7788, 7920, 7965, 8208, 8360, 8496, 8536, 8640, 8730, 8968, 9120, 9215, 9312, 9405, 9440, 9504, 9603, 9735, 10032, 10089, 10260, 10384, 10476, 10560, 10620, 10670, 10944, 11058, 11210, 11286, 11328, 11446, 11640, 11682, 11880, 12160, 12331, 12416, 12540, 12672, 12744, 12804, 12980, 13095, 13376, 13452, 13680, 13968, 14160, 14744, 15048, 15520, 15576, 15840, 15930, 16005, 16416, 16587, 16720, 16815, 16992, 17072, 17169, 17280, 17460, 17523, 17936, 18240, 18430, 18624, 18810, 18880, 19008, 19206, 19470, 20064, 20178, 20273, 20520, 20768, 20952, 21120, 21240, 21340, 21888, 22116, 22420, 22572, 22656, 22892, 23280, 23364, 23760, 24662, 25080, 25488, 25608, 25960, 26190, 26752, 26904, 27360, 27645, 27936, 28215, 28320, 28615, 28809, 29205, 29488, 30096, 30267, 31040, 31152, 31680, 31860, 32010, 32832, 33174, 33440, 33630, 33984, 34144, 34338, 34920, 35046, 35872, 36480, 36860, 36993, 37248, 37620, 37760, 38016, 38412, 38940, 40128, 40356, 40546, 41040, 41536, 41904, 42480, 42680, 44232, 44840, 45144, 45784, 46560, 46728, 47520, 48015, 49324, 49761, 50160, 50445, 50976, 51216, 51507, 51920, 52380, 53808, 54720, 55290, 55872, 56430, 56640, 57230, 57618, 58410, 58976, 60192, 60534, 60819, 61655, 62080, 62304, 62953, 63360, 63720, 64020, 65664, 66348, 66880, 67260, 67968, 68288, 68676, 69840, 70092, 71744, 73720, 73986, 75240, 76824, 77880, 80256, 80712, 81092, 82080, 82935, 83072, 83808, 84960, 85360, 85845, 87615, 88464, 89680, 90288, 91568, 93120, 93456, 95040, 96030, 98648, 99522, 100320, 100890, 101365, 101952, 102432, 103014, 103840, 104760, 107616, 108737, 109440, 110580, 110979, 111744, 112860, 113280, 114460, 115236, 116820, 117952, 120384, 121068, 121638, 123310, 124608, 125906, 127440, 128040, 132696, 133760, 134520, 136576, 137352, 139680, 140184, 143488, 144045, 147440, 147972, 150480, 151335, 153648, 154521, 155760, 161424, 162184, 164160, 165870, 167616, 169920, 170720, 171690, 175230, 176928, 179360, 180576, 182457, 183136, 184965, 186240, 186912, 188859, 190080, 192060, 197296, 199044, 200640, 201780, 202730, 203904, 204864, 206028, 207680, 209520, 215232, 217474, 221160, 221958, 225720, 228920, 230472, 233640, 235904, 240768, 242136, 243276, 246620, 248805, 249216, 251812, 254880, 256080, 257535, 265392, 269040, 274704, 279360, 280368, 288090, 294880, 295944, 300960, 302670, 304095, 307296, 309042, 311520, 314765, 322848, 324368, 326211, 328320, 331740, 332937, 335232, 339840, 341440, 343380, 350460, 353856, 358720, 361152, 364914, 366272, 369930, 373824, 377718, 384120, 394592, 398088, 401280, 403560, 405460, 409728, 412056, 415360, 419040, 430464, 434948, 442320, 443916, 451440, 457840, 460944, 467280, 484272, 486552, 493240, 497610, 503624, 509760, 512160, 515070, 530784, 538080, 543685, 547371, 549408, 554895, 558720, 560736, 566577, 576180, 589760, 591888, 601920, 605340, 608190, 614592, 618084, 623040, 629530, 645696, 648736, 652422, 663480, 665874, 682880, 686760, 700920, 707712, 717440, 722304, 729828, 732544, 739860, 747648, 755436, 768240, 772605, 789184, 796176, 807120, 810920, 824112, 838080, 869896, 884640, 887832, 902880, 912285, 915680, 921888, 934560, 944295, 968544, 973104, 978633, 986480, 995220, 1007248, 1019520, 1024320, 1030140, 1061568, 1076160, 1087370, 1094742, 1098816, 1109790, 1121472, 1133154, 1152360, 1179520, 1183776, 1196107, 1203840, 1210680, 1216380, 1229184, 1236168, 1246080, 1259060, 1291392, 1297472, 1304844, 1326960, 1331748, 1373520, 1401840, 1459656, 1479720, 1510872, 1536480, 1545210, 1578368, 1592352, 1614240, 1621840, 1631055, 1648224, 1664685, 1676160, 1699731, 1739792, 1769280, 1775664, 1805760, 1824570, 1831360, 1843776, 1869120, 1888590, 1937088, 1946208, 1957266, 1972960, 1990440, 2014496, 2048640, 2060280, 2123136, 2152320, 2174740, 2189484, 2197632, 2219580, 2242944, 2266308, 2304720, 2367552, 2392214, 2421360, 2432760, 2472336, 2518120, 2594944, 2609688, 2653920, 2663496, 2736855, 2747040, 2803680, 2832885, 2919312, 2935899, 2959440, 3021744, 3072960, 3090420, 3184704, 3228480, 3243680, 3262110, 3296448, 3329370, 3399462, 3479584, 3538560, 3551328, 3588321, 3611520, 3649140, 3662720, 3687552, 3738240, 3777180, 3874176, 3892416, 3914532, 3945920, 3980880, 4028992, 4120560, 4349480, 4378968, 4439160, 4532616, 4609440, 4735104, 4784428, 4842720, 4865520, 4893165, 4944672, 5036240, 5219376, 5307840, 5326992, 5473710, 5494080, 5607360, 5665770, 5838624, 5871798, 5918880, 5980535, 6043488, 6145920, 6180840, 6369408, 6456960, 6487360, 6524220, 6592896, 6658740, 6798924, 6959168, 7102656, 7176642, 7298280, 7554360, 7784832, 7829064, 7891840, 7961760, 8057984, 8241120, 8498655, 8698960, 8757936, 8878320, 9065232, 9218880, 9568856, 9685440, 9731040, 9786330, 9889344, 10072480, 10438752, 10615680, 10653984, 10764963, 10947420, 10988160, 11214720, 11331540, 11677248, 11743596, 11837760, 11961070, 12086976, 12361680, 12974720, 13048440, 13317480, 13597848, 13918336, 14205312, 14353284, 14596560, 14679495, 15108720, 15658128, 15923520, 16482240, 16997310, 17397920, 17515872, 17756640, 17941605, 18130464, 18437760, 19137712, 19370880, 19462080, 19572660, 19778688, 20144960, 20877504, 21307968, 21529926, 21894840, 22663080, 23354496, 23487192, 23675520, 23922140, 24173952, 24723360, 26096880, 26634960, 27195696, 28706568, 29193120, 29358990, 30217440, 31316256, 31847040, 32294889, 32964480, 33994620, 34795840, 35031744, 35513280, 35883210, 36260928, 38275424, 38924160, 39145320, 40289920, 41755008, 42615936, 43059852, 43789680, 45326160, 46974384, 47844280, 49446720, 52193760, 53269920, 53824815, 54391392, 57413136, 58386240, 58717980, 60434880, 62632512, 64589778, 67989240, 69591680, 70063488, 71026560, 71766420, 72521856, 76550848, 78290640, 86119704, 87579360, 90652320, 93948768, 95688560, 98893440, 104387520, 106539840, 107649630, 108782784, 114826272, 116772480, 117435960, 120869760, 125265024, 129179556, 135978480, 143532840, 153101696, 156581280, 161474445, 172239408, 175158720, 181304640, 187897536, 191377120, 208775040, 213079680, 215299260, 217565568, 229652544, 234871920, 258359112, 271956960, 287065680, 313162560, 322948890, 344478816, 350317440, 362609280, 375795072, 382754240, 430598520, 459305088, 469743840, 516718224, 543913920, 574131360, 626325120, 645897780, 688957632, 765508480, 861197040, 939487680, 1033436448, 1087827840, 1148262720, 1291795560, 1377915264, 1722394080, 1878975360, 2066872896, 2296525440, 2583591120, 3444788160, 4133745792, 5167182240, 6889576320, 10334364480, 20668728960]

約数ペア:

[(1, 20668728960), (2, 10334364480), (3, 6889576320), (4, 5167182240), (5, 4133745792), (6, 3444788160), (8, 2583591120), (9, 2296525440), (10, 2066872896), (11, 1878975360), (12, 1722394080), (15, 1377915264), (16, 1291795560), (18, 1148262720), (19, 1087827840), (20, 1033436448), (22, 939487680), (24, 861197040), (27, 765508480), (30, 688957632), (32, 645897780), (33, 626325120), (36, 574131360), (38, 543913920), (40, 516718224), (44, 469743840), (45, 459305088), (48, 430598520), (54, 382754240), (55, 375795072), (57, 362609280), (59, 350317440), (60, 344478816), (64, 322948890), (66, 313162560), (72, 287065680), (76, 271956960), (80, 258359112), (88, 234871920), (90, 229652544), (95, 217565568), (96, 215299260), (97, 213079680), (99, 208775040), (108, 191377120), (110, 187897536), (114, 181304640), (118, 175158720), (120, 172239408), (128, 161474445), (132, 156581280), (135, 153101696), (144, 143532840), (152, 135978480), (160, 129179556), (165, 125265024), (171, 120869760), (176, 117435960), (177, 116772480), (180, 114826272), (190, 108782784), (192, 107649630), (194, 106539840), (198, 104387520), (209, 98893440), (216, 95688560), (220, 93948768), (228, 90652320), (236, 87579360), (240, 86119704), (264, 78290640), (270, 76550848), (285, 72521856), (288, 71766420), (291, 71026560), (295, 70063488), (297, 69591680), (304, 67989240), (320, 64589778), (330, 62632512), (342, 60434880), (352, 58717980), (354, 58386240), (360, 57413136), (380, 54391392), (384, 53824815), (388, 53269920), (396, 52193760), (418, 49446720), (432, 47844280), (440, 46974384), (456, 45326160), (472, 43789680), (480, 43059852), (485, 42615936), (495, 41755008), (513, 40289920), (528, 39145320), (531, 38924160), (540, 38275424), (570, 36260928), (576, 35883210), (582, 35513280), (590, 35031744), (594, 34795840), (608, 33994620), (627, 32964480), (640, 32294889), (649, 31847040), (660, 31316256), (684, 30217440), (704, 29358990), (708, 29193120), (720, 28706568), (760, 27195696), (776, 26634960), (792, 26096880), (836, 24723360), (855, 24173952), (864, 23922140), (873, 23675520), (880, 23487192), (885, 23354496), (912, 22663080), (944, 21894840), (960, 21529926), (970, 21307968), (990, 20877504), (1026, 20144960), (1045, 19778688), (1056, 19572660), (1062, 19462080), (1067, 19370880), (1080, 19137712), (1121, 18437760), (1140, 18130464), (1152, 17941605), (1164, 17756640), (1180, 17515872), (1188, 17397920), (1216, 16997310), (1254, 16482240), (1298, 15923520), (1320, 15658128), (1368, 15108720), (1408, 14679495), (1416, 14596560), (1440, 14353284), (1455, 14205312), (1485, 13918336), (1520, 13597848), (1552, 13317480), (1584, 13048440), (1593, 12974720), (1672, 12361680), (1710, 12086976), (1728, 11961070), (1746, 11837760), (1760, 11743596), (1770, 11677248), (1824, 11331540), (1843, 11214720), (1881, 10988160), (1888, 10947420), (1920, 10764963), (1940, 10653984), (1947, 10615680), (1980, 10438752), (2052, 10072480), (2090, 9889344), (2112, 9786330), (2124, 9731040), (2134, 9685440), (2160, 9568856), (2242, 9218880), (2280, 9065232), (2328, 8878320), (2360, 8757936), (2376, 8698960), (2432, 8498655), (2508, 8241120), (2565, 8057984), (2596, 7961760), (2619, 7891840), (2640, 7829064), (2655, 7784832), (2736, 7554360), (2832, 7298280), (2880, 7176642), (2910, 7102656), (2970, 6959168), (3040, 6798924), (3104, 6658740), (3135, 6592896), (3168, 6524220), (3186, 6487360), (3201, 6456960), (3245, 6369408), (3344, 6180840), (3363, 6145920), (3420, 6043488), (3456, 5980535), (3492, 5918880), (3520, 5871798), (3540, 5838624), (3648, 5665770), (3686, 5607360), (3762, 5494080), (3776, 5473710), (3880, 5326992), (3894, 5307840), (3960, 5219376), (4104, 5036240), (4180, 4944672), (4224, 4893165), (4248, 4865520), (4268, 4842720), (4320, 4784428), (4365, 4735104), (4484, 4609440), (4560, 4532616), (4656, 4439160), (4720, 4378968), (4752, 4349480), (5016, 4120560), (5130, 4028992), (5192, 3980880), (5238, 3945920), (5280, 3914532), (5310, 3892416), (5335, 3874176), (5472, 3777180), (5529, 3738240), (5605, 3687552), (5643, 3662720), (5664, 3649140), (5723, 3611520), (5760, 3588321), (5820, 3551328), (5841, 3538560), (5940, 3479584), (6080, 3399462), (6208, 3329370), (6270, 3296448), (6336, 3262110), (6372, 3243680), (6402, 3228480), (6490, 3184704), (6688, 3090420), (6726, 3072960), (6840, 3021744), (6984, 2959440), (7040, 2935899), (7080, 2919312), (7296, 2832885), (7372, 2803680), (7524, 2747040), (7552, 2736855), (7760, 2663496), (7788, 2653920), (7920, 2609688), (7965, 2594944), (8208, 2518120), (8360, 2472336), (8496, 2432760), (8536, 2421360), (8640, 2392214), (8730, 2367552), (8968, 2304720), (9120, 2266308), (9215, 2242944), (9312, 2219580), (9405, 2197632), (9440, 2189484), (9504, 2174740), (9603, 2152320), (9735, 2123136), (10032, 2060280), (10089, 2048640), (10260, 2014496), (10384, 1990440), (10476, 1972960), (10560, 1957266), (10620, 1946208), (10670, 1937088), (10944, 1888590), (11058, 1869120), (11210, 1843776), (11286, 1831360), (11328, 1824570), (11446, 1805760), (11640, 1775664), (11682, 1769280), (11880, 1739792), (12160, 1699731), (12331, 1676160), (12416, 1664685), (12540, 1648224), (12672, 1631055), (12744, 1621840), (12804, 1614240), (12980, 1592352), (13095, 1578368), (13376, 1545210), (13452, 1536480), (13680, 1510872), (13968, 1479720), (14160, 1459656), (14744, 1401840), (15048, 1373520), (15520, 1331748), (15576, 1326960), (15840, 1304844), (15930, 1297472), (16005, 1291392), (16416, 1259060), (16587, 1246080), (16720, 1236168), (16815, 1229184), (16992, 1216380), (17072, 1210680), (17169, 1203840), (17280, 1196107), (17460, 1183776), (17523, 1179520), (17936, 1152360), (18240, 1133154), (18430, 1121472), (18624, 1109790), (18810, 1098816), (18880, 1094742), (19008, 1087370), (19206, 1076160), (19470, 1061568), (20064, 1030140), (20178, 1024320), (20273, 1019520), (20520, 1007248), (20768, 995220), (20952, 986480), (21120, 978633), (21240, 973104), (21340, 968544), (21888, 944295), (22116, 934560), (22420, 921888), (22572, 915680), (22656, 912285), (22892, 902880), (23280, 887832), (23364, 884640), (23760, 869896), (24662, 838080), (25080, 824112), (25488, 810920), (25608, 807120), (25960, 796176), (26190, 789184), (26752, 772605), (26904, 768240), (27360, 755436), (27645, 747648), (27936, 739860), (28215, 732544), (28320, 729828), (28615, 722304), (28809, 717440), (29205, 707712), (29488, 700920), (30096, 686760), (30267, 682880), (31040, 665874), (31152, 663480), (31680, 652422), (31860, 648736), (32010, 645696), (32832, 629530), (33174, 623040), (33440, 618084), (33630, 614592), (33984, 608190), (34144, 605340), (34338, 601920), (34920, 591888), (35046, 589760), (35872, 576180), (36480, 566577), (36860, 560736), (36993, 558720), (37248, 554895), (37620, 549408), (37760, 547371), (38016, 543685), (38412, 538080), (38940, 530784), (40128, 515070), (40356, 512160), (40546, 509760), (41040, 503624), (41536, 497610), (41904, 493240), (42480, 486552), (42680, 484272), (44232, 467280), (44840, 460944), (45144, 457840), (45784, 451440), (46560, 443916), (46728, 442320), (47520, 434948), (48015, 430464), (49324, 419040), (49761, 415360), (50160, 412056), (50445, 409728), (50976, 405460), (51216, 403560), (51507, 401280), (51920, 398088), (52380, 394592), (53808, 384120), (54720, 377718), (55290, 373824), (55872, 369930), (56430, 366272), (56640, 364914), (57230, 361152), (57618, 358720), (58410, 353856), (58976, 350460), (60192, 343380), (60534, 341440), (60819, 339840), (61655, 335232), (62080, 332937), (62304, 331740), (62953, 328320), (63360, 326211), (63720, 324368), (64020, 322848), (65664, 314765), (66348, 311520), (66880, 309042), (67260, 307296), (67968, 304095), (68288, 302670), (68676, 300960), (69840, 295944), (70092, 294880), (71744, 288090), (73720, 280368), (73986, 279360), (75240, 274704), (76824, 269040), (77880, 265392), (80256, 257535), (80712, 256080), (81092, 254880), (82080, 251812), (82935, 249216), (83072, 248805), (83808, 246620), (84960, 243276), (85360, 242136), (85845, 240768), (87615, 235904), (88464, 233640), (89680, 230472), (90288, 228920), (91568, 225720), (93120, 221958), (93456, 221160), (95040, 217474), (96030, 215232), (98648, 209520), (99522, 207680), (100320, 206028), (100890, 204864), (101365, 203904), (101952, 202730), (102432, 201780), (103014, 200640), (103840, 199044), (104760, 197296), (107616, 192060), (108737, 190080), (109440, 188859), (110580, 186912), (110979, 186240), (111744, 184965), (112860, 183136), (113280, 182457), (114460, 180576), (115236, 179360), (116820, 176928), (117952, 175230), (120384, 171690), (121068, 170720), (121638, 169920), (123310, 167616), (124608, 165870), (125906, 164160), (127440, 162184), (128040, 161424), (132696, 155760), (133760, 154521), (134520, 153648), (136576, 151335), (137352, 150480), (139680, 147972), (140184, 147440), (143488, 144045)]