20811584640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 1024

約数和(自身を含む): 90243072000

約数和(自身を除く): 69431487360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 31, 32, 33, 35, 38, 40, 42, 44, 48, 55, 56, 57, 60, 62, 64, 66, 70, 76, 77, 80, 84, 88, 93, 95, 96, 105, 110, 112, 114, 120, 124, 128, 132, 133, 140, 152, 154, 155, 160, 165, 168, 176, 186, 190, 192, 209, 210, 217, 220, 224, 228, 231, 239, 240, 248, 264, 266, 280, 285, 304, 308, 310, 320, 330, 336, 341, 352, 372, 380, 384, 385, 399, 418, 420, 434, 440, 448, 456, 462, 465, 478, 480, 496, 528, 532, 560, 570, 589, 608, 616, 620, 627, 640, 651, 660, 665, 672, 682, 704, 717, 744, 760, 770, 798, 836, 840, 868, 880, 896, 912, 924, 930, 956, 960, 992, 1023, 1045, 1056, 1064, 1085, 1120, 1140, 1155, 1178, 1195, 1216, 1232, 1240, 1254, 1302, 1320, 1330, 1344, 1364, 1408, 1434, 1463, 1488, 1520, 1540, 1596, 1672, 1673, 1680, 1705, 1736, 1760, 1767, 1824, 1848, 1860, 1912, 1920, 1984, 1995, 2046, 2090, 2112, 2128, 2170, 2240, 2280, 2310, 2356, 2387, 2390, 2432, 2464, 2480, 2508, 2604, 2629, 2640, 2660, 2688, 2728, 2868, 2926, 2945, 2976, 3040, 3080, 3135, 3192, 3255, 3344, 3346, 3360, 3410, 3472, 3520, 3534, 3585, 3648, 3696, 3720, 3824, 3968, 3990, 4092, 4123, 4180, 4224, 4256, 4340, 4389, 4480, 4541, 4560, 4620, 4712, 4774, 4780, 4928, 4960, 5016, 5019, 5115, 5208, 5258, 5280, 5320, 5456, 5736, 5852, 5890, 5952, 6080, 6160, 6270, 6384, 6479, 6510, 6688, 6692, 6720, 6820, 6944, 7040, 7068, 7161, 7170, 7296, 7315, 7392, 7409, 7440, 7648, 7887, 7980, 8184, 8246, 8360, 8365, 8512, 8680, 8778, 8835, 9082, 9120, 9240, 9424, 9548, 9560, 9856, 9920, 10032, 10038, 10230, 10416, 10516, 10560, 10640, 10912, 11472, 11704, 11780, 11904, 11935, 12160, 12320, 12369, 12540, 12768, 12958, 13020, 13145, 13376, 13384, 13440, 13623, 13640, 13888, 14136, 14322, 14340, 14630, 14784, 14818, 14880, 15296, 15774, 15960, 16368, 16492, 16720, 16730, 17024, 17360, 17556, 17670, 18164, 18240, 18403, 18480, 18848, 19096, 19120, 19437, 19840, 20064, 20076, 20460, 20615, 20832, 21032, 21120, 21280, 21824, 21945, 22227, 22705, 22944, 23408, 23560, 23870, 24640, 24738, 25080, 25095, 25536, 25916, 26040, 26290, 26752, 26768, 27246, 27280, 27776, 28272, 28644, 28680, 29260, 29568, 29636, 29760, 30592, 31548, 31787, 31920, 32395, 32736, 32984, 33440, 33460, 34720, 35112, 35340, 35805, 36328, 36480, 36806, 36960, 37045, 37696, 38192, 38240, 38874, 39435, 40128, 40152, 40920, 41230, 41664, 42064, 42560, 43648, 43890, 44454, 45353, 45410, 45888, 46816, 47120, 47740, 49280, 49476, 49951, 50160, 50190, 51072, 51832, 51863, 52080, 52580, 53536, 54492, 54560, 55209, 56544, 57288, 57360, 58520, 59272, 59520, 61845, 63096, 63574, 63840, 64790, 65472, 65968, 66880, 66920, 68115, 69440, 70224, 70680, 71610, 72656, 73612, 73920, 74090, 75392, 76384, 76480, 77748, 78870, 80256, 80304, 81499, 81840, 82460, 83328, 84128, 85120, 87780, 88908, 90706, 90820, 91776, 92015, 93632, 94240, 95361, 95480, 97185, 98952, 99902, 100320, 100380, 103664, 103726, 104160, 105160, 107072, 108984, 109120, 110418, 111135, 113088, 114576, 114720, 117040, 118544, 123690, 126192, 127148, 127680, 129580, 130944, 131936, 133760, 133840, 136059, 136230, 138880, 140448, 140771, 141360, 143220, 145312, 147224, 147840, 148180, 149853, 152768, 152960, 155496, 155589, 157740, 158935, 160608, 162998, 163680, 164920, 168256, 175560, 177816, 181412, 181640, 184030, 187264, 188480, 190722, 190960, 194370, 197904, 199804, 200640, 200760, 207328, 207452, 208320, 210320, 214144, 217968, 218240, 220836, 222270, 226176, 226765, 229152, 229440, 234080, 237088, 244497, 247380, 249755, 252384, 254296, 255360, 259160, 259315, 263872, 267680, 272118, 272460, 276045, 280896, 281542, 282720, 286440, 290624, 294448, 296360, 299706, 305536, 310992, 311178, 315480, 317870, 321216, 325996, 327360, 329840, 336512, 349657, 351120, 355632, 362824, 363280, 368060, 376960, 381444, 381920, 388740, 395808, 399608, 401280, 401520, 407495, 414656, 414904, 416640, 420640, 422313, 435936, 441672, 444540, 453530, 458304, 458880, 468160, 474176, 476805, 488994, 494760, 499510, 504768, 508592, 518320, 518630, 527744, 535360, 544236, 544920, 552090, 561792, 563084, 565440, 570493, 572880, 581248, 588896, 592720, 599412, 621984, 622356, 630960, 635740, 642432, 651992, 654720, 659680, 680295, 699314, 702240, 703855, 711264, 725648, 726560, 736120, 749265, 762888, 763840, 777480, 777945, 791616, 799216, 803040, 814990, 829312, 829808, 841280, 844626, 871872, 883344, 889080, 907060, 916608, 936320, 948352, 953610, 977988, 985397, 989520, 999020, 1009536, 1017184, 1036640, 1037260, 1048971, 1070720, 1088472, 1089840, 1104180, 1126168, 1130880, 1140986, 1145760, 1177792, 1185440, 1198824, 1222485, 1243968, 1244712, 1261920, 1271480, 1303984, 1319360, 1360590, 1398628, 1404480, 1407710, 1422528, 1451296, 1453120, 1472240, 1498530, 1525776, 1527680, 1548481, 1554960, 1555890, 1583232, 1598432, 1606080, 1629980, 1659616, 1682560, 1689252, 1711479, 1743744, 1748285, 1766688, 1778160, 1814120, 1907220, 1955976, 1970794, 1979040, 1998040, 2034368, 2073280, 2074520, 2097942, 2111565, 2176944, 2179680, 2208360, 2252336, 2281972, 2291520, 2355584, 2370880, 2397648, 2444970, 2487936, 2489424, 2523840, 2542960, 2607968, 2638720, 2721180, 2797256, 2808960, 2815420, 2845056, 2852465, 2902592, 2906240, 2944480, 2956191, 2997060, 3051552, 3096962, 3109920, 3111780, 3196864, 3212160, 3259960, 3319232, 3378504, 3422958, 3496570, 3533376, 3556320, 3628240, 3814440, 3911952, 3941588, 3958080, 3996080, 4068736, 4146560, 4149040, 4195884, 4223130, 4353888, 4359360, 4416720, 4504672, 4563944, 4583040, 4645443, 4741760, 4795296, 4889940, 4926985, 4978848, 5047680, 5085920, 5215936, 5244855, 5442360, 5594512, 5630840, 5704930, 5805184, 5888960, 5912382, 5994120, 6103104, 6193924, 6219840, 6223560, 6393728, 6519920, 6638464, 6757008, 6845916, 6993140, 7066752, 7112640, 7256480, 7628880, 7742405, 7823904, 7883176, 7916160, 7992160, 8298080, 8391768, 8446260, 8557395, 8707776, 8718720, 8833440, 9009344, 9127888, 9290886, 9590592, 9779880, 9853970, 9957696, 10171840, 10431872, 10489710, 10839367, 10884720, 11189024, 11261680, 11409860, 11777920, 11824764, 11988240, 12206208, 12387848, 12439680, 12447120, 13039840, 13514016, 13691832, 13986280, 14225280, 14512960, 14780955, 15257760, 15484810, 15647808, 15766352, 15984320, 16596160, 16783536, 16892520, 17114790, 17415552, 17666880, 18018688, 18255776, 18581772, 19181184, 19559760, 19707940, 19915392, 20343680, 20979420, 21678734, 21769440, 22378048, 22523360, 22819720, 23227215, 23649528, 23976480, 24775696, 24894240, 26079680, 27028032, 27383664, 27972560, 29025920, 29561910, 30515520, 30969620, 31295616, 31532704, 31968640, 32518101, 33192320, 33567072, 33785040, 34229580, 35333760, 36511552, 37163544, 39119520, 39415880, 41958840, 43357468, 43538880, 44756096, 45046720, 45639440, 46454430, 47299056, 47952960, 49551392, 49788480, 52159360, 54056064, 54196835, 54767328, 55945120, 59123820, 61031040, 61939240, 63065408, 65036202, 67134144, 67570080, 68459160, 73023104, 74327088, 78239040, 78831760, 83917680, 86714936, 87077760, 90093440, 91278880, 92908860, 94598112, 95905920, 99102784, 99576960, 108393670, 109534656, 111890240, 118247640, 123878480, 126130816, 130072404, 134268288, 135140160, 136918320, 148654176, 156478080, 157663520, 162590505, 167835360, 173429872, 182557760, 185817720, 189196224, 198205568, 216787340, 219069312, 223780480, 236495280, 247756960, 260144808, 270280320, 273836640, 297308352, 315327040, 325181010, 335670720, 346859744, 365115520, 371635440, 378392448, 433574680, 472990560, 495513920, 520289616, 547673280, 594616704, 630654080, 650362020, 671341440, 693719488, 743270880, 867149360, 945981120, 991027840, 1040579232, 1095346560, 1300724040, 1387438976, 1486541760, 1734298720, 1891962240, 2081158464, 2601448080, 2973083520, 3468597440, 4162316928, 5202896160, 6937194880, 10405792320, 20811584640]

約数ペア:

[(1, 20811584640), (2, 10405792320), (3, 6937194880), (4, 5202896160), (5, 4162316928), (6, 3468597440), (7, 2973083520), (8, 2601448080), (10, 2081158464), (11, 1891962240), (12, 1734298720), (14, 1486541760), (15, 1387438976), (16, 1300724040), (19, 1095346560), (20, 1040579232), (21, 991027840), (22, 945981120), (24, 867149360), (28, 743270880), (30, 693719488), (31, 671341440), (32, 650362020), (33, 630654080), (35, 594616704), (38, 547673280), (40, 520289616), (42, 495513920), (44, 472990560), (48, 433574680), (55, 378392448), (56, 371635440), (57, 365115520), (60, 346859744), (62, 335670720), (64, 325181010), (66, 315327040), (70, 297308352), (76, 273836640), (77, 270280320), (80, 260144808), (84, 247756960), (88, 236495280), (93, 223780480), (95, 219069312), (96, 216787340), (105, 198205568), (110, 189196224), (112, 185817720), (114, 182557760), (120, 173429872), (124, 167835360), (128, 162590505), (132, 157663520), (133, 156478080), (140, 148654176), (152, 136918320), (154, 135140160), (155, 134268288), (160, 130072404), (165, 126130816), (168, 123878480), (176, 118247640), (186, 111890240), (190, 109534656), (192, 108393670), (209, 99576960), (210, 99102784), (217, 95905920), (220, 94598112), (224, 92908860), (228, 91278880), (231, 90093440), (239, 87077760), (240, 86714936), (248, 83917680), (264, 78831760), (266, 78239040), (280, 74327088), (285, 73023104), (304, 68459160), (308, 67570080), (310, 67134144), (320, 65036202), (330, 63065408), (336, 61939240), (341, 61031040), (352, 59123820), (372, 55945120), (380, 54767328), (384, 54196835), (385, 54056064), (399, 52159360), (418, 49788480), (420, 49551392), (434, 47952960), (440, 47299056), (448, 46454430), (456, 45639440), (462, 45046720), (465, 44756096), (478, 43538880), (480, 43357468), (496, 41958840), (528, 39415880), (532, 39119520), (560, 37163544), (570, 36511552), (589, 35333760), (608, 34229580), (616, 33785040), (620, 33567072), (627, 33192320), (640, 32518101), (651, 31968640), (660, 31532704), (665, 31295616), (672, 30969620), (682, 30515520), (704, 29561910), (717, 29025920), (744, 27972560), (760, 27383664), (770, 27028032), (798, 26079680), (836, 24894240), (840, 24775696), (868, 23976480), (880, 23649528), (896, 23227215), (912, 22819720), (924, 22523360), (930, 22378048), (956, 21769440), (960, 21678734), (992, 20979420), (1023, 20343680), (1045, 19915392), (1056, 19707940), (1064, 19559760), (1085, 19181184), (1120, 18581772), (1140, 18255776), (1155, 18018688), (1178, 17666880), (1195, 17415552), (1216, 17114790), (1232, 16892520), (1240, 16783536), (1254, 16596160), (1302, 15984320), (1320, 15766352), (1330, 15647808), (1344, 15484810), (1364, 15257760), (1408, 14780955), (1434, 14512960), (1463, 14225280), (1488, 13986280), (1520, 13691832), (1540, 13514016), (1596, 13039840), (1672, 12447120), (1673, 12439680), (1680, 12387848), (1705, 12206208), (1736, 11988240), (1760, 11824764), (1767, 11777920), (1824, 11409860), (1848, 11261680), (1860, 11189024), (1912, 10884720), (1920, 10839367), (1984, 10489710), (1995, 10431872), (2046, 10171840), (2090, 9957696), (2112, 9853970), (2128, 9779880), (2170, 9590592), (2240, 9290886), (2280, 9127888), (2310, 9009344), (2356, 8833440), (2387, 8718720), (2390, 8707776), (2432, 8557395), (2464, 8446260), (2480, 8391768), (2508, 8298080), (2604, 7992160), (2629, 7916160), (2640, 7883176), (2660, 7823904), (2688, 7742405), (2728, 7628880), (2868, 7256480), (2926, 7112640), (2945, 7066752), (2976, 6993140), (3040, 6845916), (3080, 6757008), (3135, 6638464), (3192, 6519920), (3255, 6393728), (3344, 6223560), (3346, 6219840), (3360, 6193924), (3410, 6103104), (3472, 5994120), (3520, 5912382), (3534, 5888960), (3585, 5805184), (3648, 5704930), (3696, 5630840), (3720, 5594512), (3824, 5442360), (3968, 5244855), (3990, 5215936), (4092, 5085920), (4123, 5047680), (4180, 4978848), (4224, 4926985), (4256, 4889940), (4340, 4795296), (4389, 4741760), (4480, 4645443), (4541, 4583040), (4560, 4563944), (4620, 4504672), (4712, 4416720), (4774, 4359360), (4780, 4353888), (4928, 4223130), (4960, 4195884), (5016, 4149040), (5019, 4146560), (5115, 4068736), (5208, 3996080), (5258, 3958080), (5280, 3941588), (5320, 3911952), (5456, 3814440), (5736, 3628240), (5852, 3556320), (5890, 3533376), (5952, 3496570), (6080, 3422958), (6160, 3378504), (6270, 3319232), (6384, 3259960), (6479, 3212160), (6510, 3196864), (6688, 3111780), (6692, 3109920), (6720, 3096962), (6820, 3051552), (6944, 2997060), (7040, 2956191), (7068, 2944480), (7161, 2906240), (7170, 2902592), (7296, 2852465), (7315, 2845056), (7392, 2815420), (7409, 2808960), (7440, 2797256), (7648, 2721180), (7887, 2638720), (7980, 2607968), (8184, 2542960), (8246, 2523840), (8360, 2489424), (8365, 2487936), (8512, 2444970), (8680, 2397648), (8778, 2370880), (8835, 2355584), (9082, 2291520), (9120, 2281972), (9240, 2252336), (9424, 2208360), (9548, 2179680), (9560, 2176944), (9856, 2111565), (9920, 2097942), (10032, 2074520), (10038, 2073280), (10230, 2034368), (10416, 1998040), (10516, 1979040), (10560, 1970794), (10640, 1955976), (10912, 1907220), (11472, 1814120), (11704, 1778160), (11780, 1766688), (11904, 1748285), (11935, 1743744), (12160, 1711479), (12320, 1689252), (12369, 1682560), (12540, 1659616), (12768, 1629980), (12958, 1606080), (13020, 1598432), (13145, 1583232), (13376, 1555890), (13384, 1554960), (13440, 1548481), (13623, 1527680), (13640, 1525776), (13888, 1498530), (14136, 1472240), (14322, 1453120), (14340, 1451296), (14630, 1422528), (14784, 1407710), (14818, 1404480), (14880, 1398628), (15296, 1360590), (15774, 1319360), (15960, 1303984), (16368, 1271480), (16492, 1261920), (16720, 1244712), (16730, 1243968), (17024, 1222485), (17360, 1198824), (17556, 1185440), (17670, 1177792), (18164, 1145760), (18240, 1140986), (18403, 1130880), (18480, 1126168), (18848, 1104180), (19096, 1089840), (19120, 1088472), (19437, 1070720), (19840, 1048971), (20064, 1037260), (20076, 1036640), (20460, 1017184), (20615, 1009536), (20832, 999020), (21032, 989520), (21120, 985397), (21280, 977988), (21824, 953610), (21945, 948352), (22227, 936320), (22705, 916608), (22944, 907060), (23408, 889080), (23560, 883344), (23870, 871872), (24640, 844626), (24738, 841280), (25080, 829808), (25095, 829312), (25536, 814990), (25916, 803040), (26040, 799216), (26290, 791616), (26752, 777945), (26768, 777480), (27246, 763840), (27280, 762888), (27776, 749265), (28272, 736120), (28644, 726560), (28680, 725648), (29260, 711264), (29568, 703855), (29636, 702240), (29760, 699314), (30592, 680295), (31548, 659680), (31787, 654720), (31920, 651992), (32395, 642432), (32736, 635740), (32984, 630960), (33440, 622356), (33460, 621984), (34720, 599412), (35112, 592720), (35340, 588896), (35805, 581248), (36328, 572880), (36480, 570493), (36806, 565440), (36960, 563084), (37045, 561792), (37696, 552090), (38192, 544920), (38240, 544236), (38874, 535360), (39435, 527744), (40128, 518630), (40152, 518320), (40920, 508592), (41230, 504768), (41664, 499510), (42064, 494760), (42560, 488994), (43648, 476805), (43890, 474176), (44454, 468160), (45353, 458880), (45410, 458304), (45888, 453530), (46816, 444540), (47120, 441672), (47740, 435936), (49280, 422313), (49476, 420640), (49951, 416640), (50160, 414904), (50190, 414656), (51072, 407495), (51832, 401520), (51863, 401280), (52080, 399608), (52580, 395808), (53536, 388740), (54492, 381920), (54560, 381444), (55209, 376960), (56544, 368060), (57288, 363280), (57360, 362824), (58520, 355632), (59272, 351120), (59520, 349657), (61845, 336512), (63096, 329840), (63574, 327360), (63840, 325996), (64790, 321216), (65472, 317870), (65968, 315480), (66880, 311178), (66920, 310992), (68115, 305536), (69440, 299706), (70224, 296360), (70680, 294448), (71610, 290624), (72656, 286440), (73612, 282720), (73920, 281542), (74090, 280896), (75392, 276045), (76384, 272460), (76480, 272118), (77748, 267680), (78870, 263872), (80256, 259315), (80304, 259160), (81499, 255360), (81840, 254296), (82460, 252384), (83328, 249755), (84128, 247380), (85120, 244497), (87780, 237088), (88908, 234080), (90706, 229440), (90820, 229152), (91776, 226765), (92015, 226176), (93632, 222270), (94240, 220836), (95361, 218240), (95480, 217968), (97185, 214144), (98952, 210320), (99902, 208320), (100320, 207452), (100380, 207328), (103664, 200760), (103726, 200640), (104160, 199804), (105160, 197904), (107072, 194370), (108984, 190960), (109120, 190722), (110418, 188480), (111135, 187264), (113088, 184030), (114576, 181640), (114720, 181412), (117040, 177816), (118544, 175560), (123690, 168256), (126192, 164920), (127148, 163680), (127680, 162998), (129580, 160608), (130944, 158935), (131936, 157740), (133760, 155589), (133840, 155496), (136059, 152960), (136230, 152768), (138880, 149853), (140448, 148180), (140771, 147840), (141360, 147224), (143220, 145312)]