20680712640

素因数分解:

$2^6\times 3^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:919

約数の個数: 840

約数和(自身を含む): 90184620240

約数和(自身を除く): 69503907600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 81, 84, 90, 95, 96, 98, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 147, 152, 160, 162, 168, 171, 180, 189, 190, 192, 196, 210, 216, 224, 228, 240, 245, 252, 266, 270, 280, 285, 288, 294, 304, 315, 320, 324, 336, 342, 360, 378, 380, 392, 399, 405, 420, 432, 441, 448, 456, 480, 490, 504, 513, 532, 540, 560, 567, 570, 576, 588, 608, 630, 648, 665, 672, 684, 720, 735, 756, 760, 784, 798, 810, 840, 855, 857, 864, 882, 912, 931, 945, 960, 980, 1008, 1026, 1064, 1080, 1120, 1134, 1140, 1176, 1197, 1216, 1260, 1296, 1323, 1330, 1344, 1368, 1440, 1470, 1512, 1520, 1539, 1568, 1596, 1620, 1680, 1710, 1714, 1728, 1764, 1824, 1862, 1890, 1960, 1995, 2016, 2052, 2128, 2160, 2205, 2240, 2268, 2280, 2352, 2394, 2520, 2565, 2571, 2592, 2646, 2660, 2736, 2793, 2835, 2880, 2940, 3024, 3040, 3078, 3136, 3192, 3240, 3360, 3420, 3428, 3528, 3591, 3648, 3724, 3780, 3920, 3969, 3990, 4032, 4104, 4256, 4285, 4320, 4410, 4536, 4560, 4655, 4704, 4788, 5040, 5130, 5142, 5184, 5292, 5320, 5472, 5586, 5670, 5880, 5985, 5999, 6048, 6080, 6156, 6384, 6480, 6615, 6720, 6840, 6856, 7056, 7182, 7448, 7560, 7695, 7713, 7840, 7938, 7980, 8208, 8379, 8512, 8570, 8640, 8820, 9072, 9120, 9310, 9408, 9576, 10080, 10260, 10284, 10584, 10640, 10773, 10944, 11172, 11340, 11760, 11970, 11998, 12096, 12312, 12768, 12855, 12960, 13230, 13680, 13712, 13965, 14112, 14364, 14896, 15120, 15390, 15426, 15680, 15876, 15960, 16283, 16416, 16758, 17140, 17640, 17955, 17997, 18144, 18240, 18620, 19152, 19845, 20160, 20520, 20568, 21168, 21280, 21546, 22344, 22680, 23139, 23520, 23940, 23996, 24624, 25137, 25536, 25710, 25920, 26460, 27360, 27424, 27930, 28224, 28728, 29792, 29995, 30240, 30780, 30852, 31752, 31920, 32566, 32832, 33516, 34280, 35280, 35910, 35994, 36288, 37240, 38304, 38565, 39690, 41040, 41136, 41895, 41993, 42336, 42560, 43092, 44688, 45360, 46278, 47040, 47880, 47992, 48849, 49248, 50274, 51420, 52920, 53865, 53991, 54720, 54848, 55860, 57456, 59584, 59990, 60480, 61560, 61704, 63504, 63840, 65132, 67032, 68560, 69417, 70560, 71820, 71988, 74480, 75411, 76608, 77130, 79380, 81415, 82080, 82272, 83790, 83986, 84672, 86184, 89376, 89985, 90720, 92556, 95760, 95984, 97698, 98496, 100548, 102840, 105840, 107730, 107982, 111720, 113981, 114912, 115695, 119980, 123120, 123408, 125685, 125979, 127008, 127680, 130264, 134064, 137120, 138834, 141120, 143640, 143976, 146547, 148960, 150822, 154260, 158760, 161973, 162830, 164160, 164544, 167580, 167972, 172368, 178752, 179970, 181440, 185112, 191520, 191968, 195396, 201096, 205680, 209965, 211680, 215460, 215964, 223440, 227962, 229824, 231390, 239960, 244245, 246240, 246816, 251370, 251958, 254016, 260528, 268128, 269955, 274240, 277668, 287280, 287952, 293094, 297920, 301644, 308520, 317520, 323946, 325660, 335160, 335944, 341943, 344736, 347085, 359940, 370224, 377055, 377937, 383040, 383936, 390792, 402192, 411360, 419930, 423360, 430920, 431928, 439641, 446880, 455924, 462780, 479920, 485919, 488490, 492480, 493632, 502740, 503916, 521056, 536256, 539910, 555336, 569905, 574560, 575904, 586188, 603288, 617040, 629895, 635040, 647892, 651320, 670320, 671888, 683886, 689472, 694170, 719880, 732735, 740448, 754110, 755874, 781584, 797867, 804384, 809865, 822720, 839860, 861840, 863856, 879282, 893760, 911848, 925560, 959840, 971838, 976980, 1005480, 1007832, 1025829, 1042112, 1079820, 1110672, 1133811, 1139810, 1149120, 1151808, 1172376, 1206576, 1234080, 1259790, 1270080, 1295784, 1302640, 1318923, 1340640, 1343776, 1367772, 1388340, 1439760, 1465470, 1480896, 1508220, 1511748, 1563168, 1595734, 1608768, 1619730, 1679720, 1709715, 1723680, 1727712, 1758564, 1823696, 1851120, 1889685, 1919680, 1943676, 1953960, 2010960, 2015664, 2051658, 2159640, 2198205, 2221344, 2267622, 2279620, 2344752, 2393601, 2413152, 2429595, 2468160, 2519580, 2591568, 2605280, 2637846, 2681280, 2687552, 2735544, 2776680, 2879520, 2930940, 3016440, 3023496, 3077487, 3126336, 3191468, 3239460, 3359440, 3401433, 3419430, 3447360, 3455424, 3517128, 3647392, 3702240, 3779370, 3887352, 3907920, 3989335, 4021920, 4031328, 4103316, 4319280, 4396410, 4442688, 4535244, 4559240, 4689504, 4787202, 4826304, 4859190, 5039160, 5129145, 5183136, 5210560, 5275692, 5471088, 5553360, 5669055, 5759040, 5861880, 6032880, 6046992, 6154974, 6382936, 6478920, 6594615, 6718880, 6802866, 6838860, 7034256, 7180803, 7294784, 7404480, 7558740, 7774704, 7815840, 7978670, 8043840, 8062656, 8206632, 8638560, 8792820, 9070488, 9118480, 9232461, 9379008, 9574404, 9718380, 10078320, 10258290, 10366272, 10551384, 10942176, 11106720, 11338110, 11723760, 11968005, 12065760, 12093984, 12309948, 12765872, 12957840, 13189230, 13437760, 13605732, 13677720, 14068512, 14361606, 15117480, 15387435, 15549408, 15631680, 15957340, 16413264, 17007165, 17277120, 17585640, 18140976, 18236960, 18464922, 19148808, 19436760, 20156640, 20516580, 21102768, 21542409, 21884352, 22213440, 22676220, 23447520, 23936010, 24131520, 24187968, 24619896, 25531744, 25915680, 26378460, 27211464, 27355440, 28137024, 28723212, 30234960, 30774870, 31098816, 31914680, 32826528, 34014330, 35171280, 35904015, 36281952, 36473920, 36929844, 38297616, 38873520, 40313280, 41033160, 42205536, 43084818, 45352440, 46162305, 46895040, 47872020, 49239792, 51063488, 51831360, 52756920, 54422928, 54710880, 57446424, 60469920, 61549740, 63829360, 64627227, 65653056, 68028660, 70342560, 71808030, 72563904, 73859688, 76595232, 77747040, 82066320, 84411072, 86169636, 90704880, 92324610, 95744040, 98479584, 105513840, 107712045, 108845856, 109421760, 114892848, 120939840, 123099480, 127658720, 129254454, 136057320, 140685120, 143616060, 147719376, 153190464, 155494080, 164132640, 172339272, 181409760, 184649220, 191488080, 196959168, 211027680, 215424090, 217691712, 229785696, 246198960, 255317440, 258508908, 272114640, 287232120, 295438752, 323136135, 328265280, 344678544, 362819520, 369298440, 382976160, 422055360, 430848180, 459571392, 492397920, 517017816, 544229280, 574464240, 590877504, 646272270, 689357088, 738596880, 765952320, 861696360, 984795840, 1034035632, 1088458560, 1148928480, 1292544540, 1378714176, 1477193760, 1723392720, 2068071264, 2297856960, 2585089080, 2954387520, 3446785440, 4136142528, 5170178160, 6893570880, 10340356320, 20680712640]

約数ペア:

[(1, 20680712640), (2, 10340356320), (3, 6893570880), (4, 5170178160), (5, 4136142528), (6, 3446785440), (7, 2954387520), (8, 2585089080), (9, 2297856960), (10, 2068071264), (12, 1723392720), (14, 1477193760), (15, 1378714176), (16, 1292544540), (18, 1148928480), (19, 1088458560), (20, 1034035632), (21, 984795840), (24, 861696360), (27, 765952320), (28, 738596880), (30, 689357088), (32, 646272270), (35, 590877504), (36, 574464240), (38, 544229280), (40, 517017816), (42, 492397920), (45, 459571392), (48, 430848180), (49, 422055360), (54, 382976160), (56, 369298440), (57, 362819520), (60, 344678544), (63, 328265280), (64, 323136135), (70, 295438752), (72, 287232120), (76, 272114640), (80, 258508908), (81, 255317440), (84, 246198960), (90, 229785696), (95, 217691712), (96, 215424090), (98, 211027680), (105, 196959168), (108, 191488080), (112, 184649220), (114, 181409760), (120, 172339272), (126, 164132640), (133, 155494080), (135, 153190464), (140, 147719376), (144, 143616060), (147, 140685120), (152, 136057320), (160, 129254454), (162, 127658720), (168, 123099480), (171, 120939840), (180, 114892848), (189, 109421760), (190, 108845856), (192, 107712045), (196, 105513840), (210, 98479584), (216, 95744040), (224, 92324610), (228, 90704880), (240, 86169636), (245, 84411072), (252, 82066320), (266, 77747040), (270, 76595232), (280, 73859688), (285, 72563904), (288, 71808030), (294, 70342560), (304, 68028660), (315, 65653056), (320, 64627227), (324, 63829360), (336, 61549740), (342, 60469920), (360, 57446424), (378, 54710880), (380, 54422928), (392, 52756920), (399, 51831360), (405, 51063488), (420, 49239792), (432, 47872020), (441, 46895040), (448, 46162305), (456, 45352440), (480, 43084818), (490, 42205536), (504, 41033160), (513, 40313280), (532, 38873520), (540, 38297616), (560, 36929844), (567, 36473920), (570, 36281952), (576, 35904015), (588, 35171280), (608, 34014330), (630, 32826528), (648, 31914680), (665, 31098816), (672, 30774870), (684, 30234960), (720, 28723212), (735, 28137024), (756, 27355440), (760, 27211464), (784, 26378460), (798, 25915680), (810, 25531744), (840, 24619896), (855, 24187968), (857, 24131520), (864, 23936010), (882, 23447520), (912, 22676220), (931, 22213440), (945, 21884352), (960, 21542409), (980, 21102768), (1008, 20516580), (1026, 20156640), (1064, 19436760), (1080, 19148808), (1120, 18464922), (1134, 18236960), (1140, 18140976), (1176, 17585640), (1197, 17277120), (1216, 17007165), (1260, 16413264), (1296, 15957340), (1323, 15631680), (1330, 15549408), (1344, 15387435), (1368, 15117480), (1440, 14361606), (1470, 14068512), (1512, 13677720), (1520, 13605732), (1539, 13437760), (1568, 13189230), (1596, 12957840), (1620, 12765872), (1680, 12309948), (1710, 12093984), (1714, 12065760), (1728, 11968005), (1764, 11723760), (1824, 11338110), (1862, 11106720), (1890, 10942176), (1960, 10551384), (1995, 10366272), (2016, 10258290), (2052, 10078320), (2128, 9718380), (2160, 9574404), (2205, 9379008), (2240, 9232461), (2268, 9118480), (2280, 9070488), (2352, 8792820), (2394, 8638560), (2520, 8206632), (2565, 8062656), (2571, 8043840), (2592, 7978670), (2646, 7815840), (2660, 7774704), (2736, 7558740), (2793, 7404480), (2835, 7294784), (2880, 7180803), (2940, 7034256), (3024, 6838860), (3040, 6802866), (3078, 6718880), (3136, 6594615), (3192, 6478920), (3240, 6382936), (3360, 6154974), (3420, 6046992), (3428, 6032880), (3528, 5861880), (3591, 5759040), (3648, 5669055), (3724, 5553360), (3780, 5471088), (3920, 5275692), (3969, 5210560), (3990, 5183136), (4032, 5129145), (4104, 5039160), (4256, 4859190), (4285, 4826304), (4320, 4787202), (4410, 4689504), (4536, 4559240), (4560, 4535244), (4655, 4442688), (4704, 4396410), (4788, 4319280), (5040, 4103316), (5130, 4031328), (5142, 4021920), (5184, 3989335), (5292, 3907920), (5320, 3887352), (5472, 3779370), (5586, 3702240), (5670, 3647392), (5880, 3517128), (5985, 3455424), (5999, 3447360), (6048, 3419430), (6080, 3401433), (6156, 3359440), (6384, 3239460), (6480, 3191468), (6615, 3126336), (6720, 3077487), (6840, 3023496), (6856, 3016440), (7056, 2930940), (7182, 2879520), (7448, 2776680), (7560, 2735544), (7695, 2687552), (7713, 2681280), (7840, 2637846), (7938, 2605280), (7980, 2591568), (8208, 2519580), (8379, 2468160), (8512, 2429595), (8570, 2413152), (8640, 2393601), (8820, 2344752), (9072, 2279620), (9120, 2267622), (9310, 2221344), (9408, 2198205), (9576, 2159640), (10080, 2051658), (10260, 2015664), (10284, 2010960), (10584, 1953960), (10640, 1943676), (10773, 1919680), (10944, 1889685), (11172, 1851120), (11340, 1823696), (11760, 1758564), (11970, 1727712), (11998, 1723680), (12096, 1709715), (12312, 1679720), (12768, 1619730), (12855, 1608768), (12960, 1595734), (13230, 1563168), (13680, 1511748), (13712, 1508220), (13965, 1480896), (14112, 1465470), (14364, 1439760), (14896, 1388340), (15120, 1367772), (15390, 1343776), (15426, 1340640), (15680, 1318923), (15876, 1302640), (15960, 1295784), (16283, 1270080), (16416, 1259790), (16758, 1234080), (17140, 1206576), (17640, 1172376), (17955, 1151808), (17997, 1149120), (18144, 1139810), (18240, 1133811), (18620, 1110672), (19152, 1079820), (19845, 1042112), (20160, 1025829), (20520, 1007832), (20568, 1005480), (21168, 976980), (21280, 971838), (21546, 959840), (22344, 925560), (22680, 911848), (23139, 893760), (23520, 879282), (23940, 863856), (23996, 861840), (24624, 839860), (25137, 822720), (25536, 809865), (25710, 804384), (25920, 797867), (26460, 781584), (27360, 755874), (27424, 754110), (27930, 740448), (28224, 732735), (28728, 719880), (29792, 694170), (29995, 689472), (30240, 683886), (30780, 671888), (30852, 670320), (31752, 651320), (31920, 647892), (32566, 635040), (32832, 629895), (33516, 617040), (34280, 603288), (35280, 586188), (35910, 575904), (35994, 574560), (36288, 569905), (37240, 555336), (38304, 539910), (38565, 536256), (39690, 521056), (41040, 503916), (41136, 502740), (41895, 493632), (41993, 492480), (42336, 488490), (42560, 485919), (43092, 479920), (44688, 462780), (45360, 455924), (46278, 446880), (47040, 439641), (47880, 431928), (47992, 430920), (48849, 423360), (49248, 419930), (50274, 411360), (51420, 402192), (52920, 390792), (53865, 383936), (53991, 383040), (54720, 377937), (54848, 377055), (55860, 370224), (57456, 359940), (59584, 347085), (59990, 344736), (60480, 341943), (61560, 335944), (61704, 335160), (63504, 325660), (63840, 323946), (65132, 317520), (67032, 308520), (68560, 301644), (69417, 297920), (70560, 293094), (71820, 287952), (71988, 287280), (74480, 277668), (75411, 274240), (76608, 269955), (77130, 268128), (79380, 260528), (81415, 254016), (82080, 251958), (82272, 251370), (83790, 246816), (83986, 246240), (84672, 244245), (86184, 239960), (89376, 231390), (89985, 229824), (90720, 227962), (92556, 223440), (95760, 215964), (95984, 215460), (97698, 211680), (98496, 209965), (100548, 205680), (102840, 201096), (105840, 195396), (107730, 191968), (107982, 191520), (111720, 185112), (113981, 181440), (114912, 179970), (115695, 178752), (119980, 172368), (123120, 167972), (123408, 167580), (125685, 164544), (125979, 164160), (127008, 162830), (127680, 161973), (130264, 158760), (134064, 154260), (137120, 150822), (138834, 148960), (141120, 146547), (143640, 143976)]