20320782720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 1024

約数和(自身を含む): 85730918400

約数和(自身を除く): 65410135680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 31, 32, 34, 35, 38, 40, 42, 48, 51, 56, 57, 60, 62, 64, 68, 70, 76, 80, 84, 85, 93, 95, 96, 102, 105, 112, 114, 119, 120, 124, 128, 133, 136, 140, 151, 152, 155, 160, 168, 170, 186, 190, 192, 204, 210, 217, 224, 228, 238, 240, 248, 255, 266, 272, 280, 285, 302, 304, 310, 320, 323, 336, 340, 357, 372, 380, 384, 399, 408, 420, 434, 448, 453, 456, 465, 476, 480, 496, 510, 527, 532, 544, 560, 570, 589, 595, 604, 608, 620, 640, 646, 651, 665, 672, 680, 714, 744, 755, 760, 798, 816, 840, 868, 896, 906, 912, 930, 952, 960, 969, 992, 1020, 1054, 1057, 1064, 1085, 1088, 1120, 1140, 1178, 1190, 1208, 1216, 1240, 1292, 1302, 1330, 1344, 1360, 1428, 1488, 1510, 1520, 1581, 1596, 1615, 1632, 1680, 1736, 1767, 1785, 1812, 1824, 1860, 1904, 1920, 1938, 1984, 1995, 2040, 2108, 2114, 2128, 2170, 2176, 2240, 2261, 2265, 2280, 2356, 2380, 2416, 2432, 2480, 2567, 2584, 2604, 2635, 2660, 2688, 2720, 2856, 2869, 2945, 2976, 3020, 3040, 3162, 3171, 3192, 3230, 3255, 3264, 3360, 3472, 3534, 3570, 3624, 3648, 3689, 3720, 3808, 3876, 3968, 3990, 4080, 4123, 4216, 4228, 4256, 4340, 4480, 4522, 4530, 4560, 4681, 4712, 4760, 4832, 4845, 4960, 5134, 5168, 5208, 5270, 5285, 5320, 5440, 5712, 5738, 5890, 5952, 6040, 6080, 6324, 6342, 6384, 6460, 6510, 6528, 6720, 6783, 6944, 7068, 7140, 7248, 7296, 7378, 7440, 7616, 7701, 7752, 7905, 7980, 8160, 8246, 8432, 8456, 8512, 8607, 8680, 8835, 9044, 9060, 9120, 9362, 9424, 9520, 9664, 9690, 9920, 10013, 10268, 10336, 10416, 10540, 10570, 10640, 10880, 11067, 11305, 11424, 11476, 11780, 11904, 12080, 12160, 12369, 12648, 12684, 12768, 12835, 12920, 13020, 13440, 13566, 13888, 14043, 14136, 14280, 14345, 14496, 14756, 14880, 15232, 15402, 15504, 15810, 15855, 15960, 16320, 16492, 16864, 16912, 17024, 17214, 17360, 17670, 17969, 18088, 18120, 18240, 18445, 18724, 18848, 19040, 19328, 19380, 19840, 20026, 20083, 20536, 20615, 20672, 20832, 21080, 21140, 21280, 22134, 22610, 22848, 22952, 23405, 23560, 24160, 24738, 25296, 25368, 25536, 25670, 25840, 26040, 27132, 27776, 28086, 28272, 28560, 28690, 28992, 29512, 29760, 30039, 30804, 31008, 31620, 31710, 31920, 32640, 32767, 32984, 33728, 33824, 33915, 34428, 34720, 35340, 35938, 36176, 36240, 36480, 36890, 37448, 37696, 38080, 38505, 38760, 40052, 40166, 41072, 41230, 41344, 41664, 42160, 42280, 42560, 43035, 44268, 45220, 45696, 45904, 46810, 47120, 48320, 48773, 49476, 50065, 50592, 50736, 51072, 51340, 51680, 52080, 53907, 54264, 55335, 56172, 56544, 57120, 57380, 57984, 59024, 59520, 60078, 60249, 61608, 61845, 62016, 63240, 63420, 63840, 65534, 65968, 67456, 67648, 67830, 68856, 69440, 70091, 70215, 70680, 71876, 72352, 72480, 73780, 74896, 75392, 76160, 77010, 77520, 79577, 80104, 80332, 82144, 82460, 83328, 84320, 84560, 85120, 86070, 88536, 88939, 89845, 90440, 91808, 93620, 94240, 96640, 97546, 98301, 98952, 100130, 100415, 101184, 101472, 102680, 103360, 104160, 107814, 108528, 110670, 112344, 113088, 114240, 114760, 118048, 120156, 120498, 123216, 123690, 124032, 126480, 126840, 127680, 131068, 131936, 135296, 135660, 137712, 138880, 140182, 140430, 141360, 143752, 144704, 144960, 146319, 147560, 149792, 150195, 154020, 155040, 159154, 160208, 160664, 163835, 164288, 164920, 168640, 169120, 172140, 177072, 177878, 179690, 180880, 183616, 187240, 188480, 195092, 196602, 197904, 200260, 200830, 202368, 202944, 205360, 206720, 208320, 210273, 215628, 217056, 221340, 224688, 226176, 228480, 229520, 236096, 238731, 240312, 240996, 243865, 246432, 247380, 252960, 253680, 255360, 262136, 263872, 266817, 269535, 271320, 275424, 280364, 280860, 282720, 287504, 289408, 289920, 292638, 295120, 299584, 300390, 301245, 308040, 310080, 318308, 320416, 321328, 327670, 328576, 329840, 337280, 338240, 341411, 344280, 350455, 354144, 355756, 359380, 361760, 367232, 374480, 376960, 390184, 393204, 395808, 397885, 400520, 401660, 405888, 410720, 416640, 420546, 431256, 434112, 442680, 444695, 449376, 459040, 472192, 477462, 480624, 481992, 487730, 491505, 492864, 494760, 505920, 507360, 524272, 527744, 533634, 539070, 542640, 550848, 557039, 560728, 561720, 565440, 575008, 585276, 590240, 599168, 600780, 602490, 616080, 620160, 622573, 636616, 640832, 642656, 655340, 659680, 676480, 682822, 688560, 700910, 708288, 711512, 718760, 723520, 731595, 748960, 780368, 786408, 791616, 795770, 801040, 803320, 821440, 841092, 862512, 868224, 885360, 889390, 898752, 918080, 954924, 961248, 963984, 975460, 983010, 985728, 989520, 1011840, 1014720, 1024233, 1048544, 1051365, 1067268, 1078140, 1085280, 1101696, 1114078, 1121456, 1123440, 1130880, 1150016, 1170552, 1180480, 1193655, 1201560, 1204980, 1232160, 1245146, 1273232, 1281664, 1285312, 1310680, 1319360, 1334085, 1365644, 1377120, 1401820, 1416576, 1423024, 1437520, 1447040, 1463190, 1497920, 1511963, 1560736, 1572816, 1583232, 1591540, 1602080, 1606640, 1642880, 1671117, 1682184, 1707055, 1725024, 1770720, 1778780, 1797504, 1836160, 1867719, 1909848, 1922496, 1927968, 1950920, 1966020, 1979040, 2029440, 2048466, 2097088, 2102730, 2134536, 2156280, 2170560, 2228156, 2242912, 2246880, 2300032, 2341104, 2360960, 2387310, 2403120, 2409960, 2464320, 2490292, 2546464, 2570624, 2621360, 2638720, 2668170, 2731288, 2754240, 2785195, 2803640, 2846048, 2875040, 2926380, 2995840, 3023926, 3112865, 3121472, 3145632, 3183080, 3204160, 3213280, 3342234, 3364368, 3414110, 3450048, 3541440, 3557560, 3735438, 3819696, 3844992, 3855936, 3901840, 3932040, 3958080, 4096932, 4194176, 4205460, 4269072, 4312560, 4341120, 4456312, 4485824, 4493760, 4535889, 4682208, 4774620, 4806240, 4819920, 4928640, 4980584, 5092928, 5121165, 5242720, 5336340, 5462576, 5508480, 5570390, 5607280, 5692096, 5750080, 5852760, 6047852, 6225730, 6242944, 6291264, 6366160, 6408320, 6426560, 6684468, 6728736, 6828220, 6900096, 7082880, 7115120, 7470876, 7559815, 7639392, 7711872, 7803680, 7864080, 7916160, 8193864, 8355585, 8410920, 8538144, 8625120, 8912624, 8971648, 8987520, 9071778, 9338595, 9364416, 9549240, 9612480, 9639840, 9961168, 10185856, 10242330, 10485440, 10583741, 10672680, 10925152, 11140780, 11214560, 11384192, 11500160, 11705520, 12095704, 12451460, 12582528, 12732320, 12853120, 13368936, 13457472, 13656440, 14230240, 14941752, 15119630, 15278784, 15607360, 15728160, 16387728, 16711170, 16821840, 17076288, 17250240, 17825248, 18143556, 18677190, 18728832, 19098480, 19224960, 19279680, 19922336, 20484660, 20970880, 21167482, 21345360, 21850304, 22281560, 22429120, 22679445, 23411040, 24191408, 24902920, 25464640, 26737872, 26914944, 27312880, 28460480, 29883504, 30239260, 30557568, 31214720, 31456320, 31751223, 32775456, 33422340, 33643680, 34152576, 34500480, 35650496, 36287112, 37354380, 38196960, 38559360, 39844672, 40969320, 42334964, 42690720, 43700608, 44563120, 44858240, 45358890, 46822080, 48382816, 49805840, 50929280, 52918705, 53475744, 54625760, 56920960, 59767008, 60478520, 62912640, 63502446, 65550912, 66844680, 67287360, 71300992, 72574224, 74708760, 76393920, 79689344, 81938640, 84669928, 85381440, 89126240, 90717780, 93644160, 96765632, 99611680, 105837410, 106951488, 109251520, 119534016, 120957040, 127004892, 131101824, 133689360, 134574720, 145148448, 149417520, 152787840, 158756115, 163877280, 169339856, 170762880, 178252480, 181435560, 193531264, 199223360, 211674820, 213902976, 218503040, 239068032, 241914080, 254009784, 267378720, 290296896, 298835040, 317512230, 327754560, 338679712, 356504960, 362871120, 398446720, 423349640, 483828160, 508019568, 534757440, 580593792, 597670080, 635024460, 655509120, 677359424, 725742240, 846699280, 967656320, 1016039136, 1069514880, 1195340160, 1270048920, 1354718848, 1451484480, 1693398560, 2032078272, 2540097840, 2902968960, 3386797120, 4064156544, 5080195680, 6773594240, 10160391360, 20320782720]

約数ペア:

[(1, 20320782720), (2, 10160391360), (3, 6773594240), (4, 5080195680), (5, 4064156544), (6, 3386797120), (7, 2902968960), (8, 2540097840), (10, 2032078272), (12, 1693398560), (14, 1451484480), (15, 1354718848), (16, 1270048920), (17, 1195340160), (19, 1069514880), (20, 1016039136), (21, 967656320), (24, 846699280), (28, 725742240), (30, 677359424), (31, 655509120), (32, 635024460), (34, 597670080), (35, 580593792), (38, 534757440), (40, 508019568), (42, 483828160), (48, 423349640), (51, 398446720), (56, 362871120), (57, 356504960), (60, 338679712), (62, 327754560), (64, 317512230), (68, 298835040), (70, 290296896), (76, 267378720), (80, 254009784), (84, 241914080), (85, 239068032), (93, 218503040), (95, 213902976), (96, 211674820), (102, 199223360), (105, 193531264), (112, 181435560), (114, 178252480), (119, 170762880), (120, 169339856), (124, 163877280), (128, 158756115), (133, 152787840), (136, 149417520), (140, 145148448), (151, 134574720), (152, 133689360), (155, 131101824), (160, 127004892), (168, 120957040), (170, 119534016), (186, 109251520), (190, 106951488), (192, 105837410), (204, 99611680), (210, 96765632), (217, 93644160), (224, 90717780), (228, 89126240), (238, 85381440), (240, 84669928), (248, 81938640), (255, 79689344), (266, 76393920), (272, 74708760), (280, 72574224), (285, 71300992), (302, 67287360), (304, 66844680), (310, 65550912), (320, 63502446), (323, 62912640), (336, 60478520), (340, 59767008), (357, 56920960), (372, 54625760), (380, 53475744), (384, 52918705), (399, 50929280), (408, 49805840), (420, 48382816), (434, 46822080), (448, 45358890), (453, 44858240), (456, 44563120), (465, 43700608), (476, 42690720), (480, 42334964), (496, 40969320), (510, 39844672), (527, 38559360), (532, 38196960), (544, 37354380), (560, 36287112), (570, 35650496), (589, 34500480), (595, 34152576), (604, 33643680), (608, 33422340), (620, 32775456), (640, 31751223), (646, 31456320), (651, 31214720), (665, 30557568), (672, 30239260), (680, 29883504), (714, 28460480), (744, 27312880), (755, 26914944), (760, 26737872), (798, 25464640), (816, 24902920), (840, 24191408), (868, 23411040), (896, 22679445), (906, 22429120), (912, 22281560), (930, 21850304), (952, 21345360), (960, 21167482), (969, 20970880), (992, 20484660), (1020, 19922336), (1054, 19279680), (1057, 19224960), (1064, 19098480), (1085, 18728832), (1088, 18677190), (1120, 18143556), (1140, 17825248), (1178, 17250240), (1190, 17076288), (1208, 16821840), (1216, 16711170), (1240, 16387728), (1292, 15728160), (1302, 15607360), (1330, 15278784), (1344, 15119630), (1360, 14941752), (1428, 14230240), (1488, 13656440), (1510, 13457472), (1520, 13368936), (1581, 12853120), (1596, 12732320), (1615, 12582528), (1632, 12451460), (1680, 12095704), (1736, 11705520), (1767, 11500160), (1785, 11384192), (1812, 11214560), (1824, 11140780), (1860, 10925152), (1904, 10672680), (1920, 10583741), (1938, 10485440), (1984, 10242330), (1995, 10185856), (2040, 9961168), (2108, 9639840), (2114, 9612480), (2128, 9549240), (2170, 9364416), (2176, 9338595), (2240, 9071778), (2261, 8987520), (2265, 8971648), (2280, 8912624), (2356, 8625120), (2380, 8538144), (2416, 8410920), (2432, 8355585), (2480, 8193864), (2567, 7916160), (2584, 7864080), (2604, 7803680), (2635, 7711872), (2660, 7639392), (2688, 7559815), (2720, 7470876), (2856, 7115120), (2869, 7082880), (2945, 6900096), (2976, 6828220), (3020, 6728736), (3040, 6684468), (3162, 6426560), (3171, 6408320), (3192, 6366160), (3230, 6291264), (3255, 6242944), (3264, 6225730), (3360, 6047852), (3472, 5852760), (3534, 5750080), (3570, 5692096), (3624, 5607280), (3648, 5570390), (3689, 5508480), (3720, 5462576), (3808, 5336340), (3876, 5242720), (3968, 5121165), (3990, 5092928), (4080, 4980584), (4123, 4928640), (4216, 4819920), (4228, 4806240), (4256, 4774620), (4340, 4682208), (4480, 4535889), (4522, 4493760), (4530, 4485824), (4560, 4456312), (4681, 4341120), (4712, 4312560), (4760, 4269072), (4832, 4205460), (4845, 4194176), (4960, 4096932), (5134, 3958080), (5168, 3932040), (5208, 3901840), (5270, 3855936), (5285, 3844992), (5320, 3819696), (5440, 3735438), (5712, 3557560), (5738, 3541440), (5890, 3450048), (5952, 3414110), (6040, 3364368), (6080, 3342234), (6324, 3213280), (6342, 3204160), (6384, 3183080), (6460, 3145632), (6510, 3121472), (6528, 3112865), (6720, 3023926), (6783, 2995840), (6944, 2926380), (7068, 2875040), (7140, 2846048), (7248, 2803640), (7296, 2785195), (7378, 2754240), (7440, 2731288), (7616, 2668170), (7701, 2638720), (7752, 2621360), (7905, 2570624), (7980, 2546464), (8160, 2490292), (8246, 2464320), (8432, 2409960), (8456, 2403120), (8512, 2387310), (8607, 2360960), (8680, 2341104), (8835, 2300032), (9044, 2246880), (9060, 2242912), (9120, 2228156), (9362, 2170560), (9424, 2156280), (9520, 2134536), (9664, 2102730), (9690, 2097088), (9920, 2048466), (10013, 2029440), (10268, 1979040), (10336, 1966020), (10416, 1950920), (10540, 1927968), (10570, 1922496), (10640, 1909848), (10880, 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(20832, 975460), (21080, 963984), (21140, 961248), (21280, 954924), (22134, 918080), (22610, 898752), (22848, 889390), (22952, 885360), (23405, 868224), (23560, 862512), (24160, 841092), (24738, 821440), (25296, 803320), (25368, 801040), (25536, 795770), (25670, 791616), (25840, 786408), (26040, 780368), (27132, 748960), (27776, 731595), (28086, 723520), (28272, 718760), (28560, 711512), (28690, 708288), (28992, 700910), (29512, 688560), (29760, 682822), (30039, 676480), (30804, 659680), (31008, 655340), (31620, 642656), (31710, 640832), (31920, 636616), (32640, 622573), (32767, 620160), (32984, 616080), (33728, 602490), (33824, 600780), (33915, 599168), (34428, 590240), (34720, 585276), (35340, 575008), (35938, 565440), (36176, 561720), (36240, 560728), (36480, 557039), (36890, 550848), (37448, 542640), (37696, 539070), (38080, 533634), (38505, 527744), (38760, 524272), (40052, 507360), (40166, 505920), (41072, 494760), (41230, 492864), (41344, 491505), (41664, 487730), (42160, 481992), (42280, 480624), (42560, 477462), (43035, 472192), (44268, 459040), (45220, 449376), (45696, 444695), (45904, 442680), (46810, 434112), (47120, 431256), (48320, 420546), (48773, 416640), (49476, 410720), (50065, 405888), (50592, 401660), (50736, 400520), (51072, 397885), (51340, 395808), (51680, 393204), (52080, 390184), (53907, 376960), (54264, 374480), (55335, 367232), (56172, 361760), (56544, 359380), (57120, 355756), (57380, 354144), (57984, 350455), (59024, 344280), (59520, 341411), (60078, 338240), (60249, 337280), (61608, 329840), (61845, 328576), (62016, 327670), (63240, 321328), (63420, 320416), (63840, 318308), (65534, 310080), (65968, 308040), (67456, 301245), (67648, 300390), (67830, 299584), (68856, 295120), (69440, 292638), (70091, 289920), (70215, 289408), (70680, 287504), (71876, 282720), (72352, 280860), (72480, 280364), (73780, 275424), (74896, 271320), (75392, 269535), (76160, 266817), (77010, 263872), (77520, 262136), (79577, 255360), (80104, 253680), (80332, 252960), (82144, 247380), (82460, 246432), (83328, 243865), (84320, 240996), (84560, 240312), (85120, 238731), (86070, 236096), (88536, 229520), (88939, 228480), (89845, 226176), (90440, 224688), (91808, 221340), (93620, 217056), (94240, 215628), (96640, 210273), (97546, 208320), (98301, 206720), (98952, 205360), (100130, 202944), (100415, 202368), (101184, 200830), (101472, 200260), (102680, 197904), (103360, 196602), (104160, 195092), (107814, 188480), (108528, 187240), (110670, 183616), (112344, 180880), (113088, 179690), (114240, 177878), (114760, 177072), (118048, 172140), (120156, 169120), (120498, 168640), (123216, 164920), (123690, 164288), (124032, 163835), (126480, 160664), (126840, 160208), (127680, 159154), (131068, 155040), (131936, 154020), (135296, 150195), (135660, 149792), (137712, 147560), (138880, 146319), (140182, 144960), (140430, 144704), (141360, 143752)]