20580468480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:126

約数の個数: 972

約数和(自身を含む): 86915470824

約数和(自身を除く): 66335002344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 31, 32, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 62, 64, 65, 66, 72, 78, 80, 88, 90, 93, 96, 99, 104, 110, 117, 120, 124, 128, 130, 132, 143, 144, 155, 156, 160, 165, 169, 176, 180, 186, 192, 195, 198, 208, 220, 234, 240, 248, 256, 260, 264, 279, 286, 288, 310, 312, 320, 330, 338, 341, 352, 360, 372, 384, 390, 396, 403, 416, 429, 440, 465, 468, 480, 495, 496, 507, 520, 528, 558, 572, 576, 585, 620, 624, 640, 660, 676, 682, 704, 715, 720, 744, 768, 780, 792, 806, 832, 845, 858, 880, 930, 936, 960, 961, 990, 992, 1014, 1023, 1040, 1056, 1116, 1144, 1152, 1170, 1209, 1240, 1248, 1280, 1287, 1320, 1352, 1364, 1395, 1408, 1430, 1440, 1488, 1521, 1560, 1584, 1612, 1664, 1690, 1705, 1716, 1760, 1859, 1860, 1872, 1920, 1922, 1980, 1984, 2015, 2028, 2046, 2080, 2112, 2145, 2232, 2288, 2304, 2340, 2418, 2480, 2496, 2535, 2574, 2640, 2704, 2728, 2790, 2816, 2860, 2880, 2883, 2976, 3042, 3069, 3120, 3168, 3224, 3328, 3380, 3410, 3432, 3520, 3627, 3718, 3720, 3744, 3840, 3844, 3960, 3968, 4030, 4056, 4092, 4160, 4224, 4290, 4433, 4464, 4576, 4680, 4805, 4836, 4960, 4992, 5070, 5115, 5148, 5239, 5280, 5408, 5456, 5577, 5580, 5720, 5760, 5766, 5952, 6045, 6084, 6138, 6240, 6336, 6435, 6448, 6760, 6820, 6864, 7040, 7254, 7436, 7440, 7488, 7605, 7688, 7920, 7936, 8060, 8112, 8184, 8320, 8448, 8580, 8649, 8866, 8928, 9152, 9295, 9360, 9610, 9672, 9920, 9984, 10140, 10230, 10296, 10478, 10560, 10571, 10816, 10912, 11154, 11160, 11440, 11520, 11532, 11904, 12090, 12168, 12276, 12480, 12493, 12672, 12870, 12896, 13299, 13520, 13640, 13728, 14080, 14415, 14508, 14872, 14880, 14976, 15210, 15345, 15376, 15717, 15840, 16120, 16224, 16368, 16640, 16731, 17160, 17298, 17732, 17856, 18135, 18304, 18590, 18720, 19220, 19344, 19840, 20280, 20460, 20592, 20956, 21120, 21142, 21632, 21824, 22165, 22308, 22320, 22880, 23064, 23808, 24180, 24336, 24552, 24960, 24986, 25344, 25740, 25792, 26195, 26598, 27040, 27280, 27456, 27885, 28830, 29016, 29744, 29760, 29952, 30420, 30690, 30752, 31434, 31680, 31713, 32240, 32448, 32736, 33462, 34320, 34596, 35464, 35712, 36270, 36608, 37180, 37440, 37479, 38440, 38688, 39680, 39897, 40560, 40920, 41184, 41912, 42240, 42284, 43245, 43264, 43648, 44330, 44616, 44640, 45760, 46128, 47151, 48360, 48672, 49104, 49920, 49972, 51480, 51584, 52390, 52855, 53196, 54080, 54560, 54912, 55770, 57629, 57660, 58032, 59488, 59520, 60840, 61380, 61504, 62465, 62868, 63360, 63426, 64480, 64896, 65472, 66495, 66924, 68640, 69192, 70928, 71424, 72540, 74360, 74880, 74958, 76880, 77376, 78585, 79794, 81120, 81840, 82368, 83655, 83824, 84568, 86490, 87296, 88660, 89232, 89280, 91520, 92256, 94302, 95139, 96720, 97344, 98208, 99944, 102960, 103168, 104780, 105710, 106392, 108160, 109120, 109824, 111540, 112437, 115258, 115320, 116064, 118976, 119040, 121680, 122760, 123008, 124930, 125736, 126720, 126852, 128960, 129792, 130944, 132990, 133848, 137280, 137423, 138384, 141856, 145080, 148720, 149760, 149916, 153760, 154752, 157170, 158565, 159588, 162240, 162409, 163680, 164736, 167310, 167648, 169136, 172887, 172980, 177320, 178464, 178560, 183040, 184512, 187395, 188604, 190278, 193440, 194688, 196416, 199485, 199888, 205920, 209560, 211420, 212784, 216320, 218240, 223080, 224874, 230516, 230640, 232128, 235755, 237952, 243360, 245520, 246016, 249860, 251472, 253704, 257920, 261888, 265980, 267696, 274560, 274846, 276768, 283712, 288145, 290160, 297440, 299832, 307520, 309504, 314340, 317130, 319176, 324480, 324818, 327360, 329472, 334620, 335296, 338272, 345774, 345960, 354640, 356928, 357120, 369024, 374790, 377208, 380556, 386880, 389376, 392832, 398970, 399776, 411840, 412269, 419120, 422840, 425568, 436480, 446160, 449748, 461032, 461280, 464256, 471510, 475695, 475904, 486720, 487227, 491040, 499720, 502944, 507408, 515840, 518661, 531960, 535392, 549120, 549692, 553536, 562185, 567424, 576290, 580320, 594880, 599664, 615040, 628680, 634260, 638352, 648960, 649636, 654720, 669240, 670592, 676544, 687115, 691548, 691920, 709280, 713856, 738048, 749580, 754416, 761112, 773760, 785664, 797940, 799552, 812045, 823680, 824538, 838240, 845680, 851136, 864435, 892320, 899496, 922064, 922560, 928512, 943020, 951390, 973440, 974454, 982080, 999440, 1005888, 1014816, 1037322, 1063920, 1070784, 1099384, 1107072, 1124370, 1134848, 1152580, 1160640, 1189760, 1199328, 1230080, 1236807, 1257360, 1268520, 1276704, 1299272, 1309440, 1338480, 1341184, 1353088, 1374230, 1383096, 1383840, 1418560, 1427712, 1461681, 1499160, 1508832, 1522224, 1547520, 1595880, 1599104, 1624090, 1647360, 1649076, 1676480, 1691360, 1702272, 1728870, 1784640, 1786499, 1798992, 1844128, 1845120, 1886040, 1902780, 1946880, 1948908, 1964160, 1998880, 2011776, 2029632, 2061345, 2074644, 2127840, 2141568, 2198768, 2214144, 2248740, 2305160, 2321280, 2379520, 2398656, 2436135, 2473614, 2514720, 2537040, 2553408, 2593305, 2598544, 2676960, 2706176, 2748460, 2766192, 2767680, 2837120, 2923362, 2998320, 3017664, 3044448, 3191760, 3198208, 3248180, 3298152, 3352960, 3382720, 3404544, 3457740, 3569280, 3572998, 3597984, 3688256, 3690240, 3772080, 3805560, 3897816, 3928320, 3997760, 4023552, 4059264, 4122690, 4149288, 4255680, 4283136, 4397536, 4497480, 4610320, 4642560, 4797312, 4872270, 4947228, 5029440, 5074080, 5106816, 5186610, 5197088, 5353920, 5359497, 5496920, 5532384, 5535360, 5674240, 5846724, 5996640, 6035328, 6088896, 6184035, 6383520, 6496360, 6596304, 6705920, 6765440, 6915480, 7138560, 7145996, 7195968, 7308405, 7376512, 7544160, 7611120, 7795632, 7995520, 8118528, 8245380, 8298576, 8511360, 8795072, 8932495, 8994960, 9220640, 9594624, 9744540, 9894456, 10058880, 10148160, 10213632, 10373220, 10394176, 10707840, 10718994, 10993840, 11064768, 11070720, 11693448, 11993280, 12070656, 12177792, 12368070, 12767040, 12992720, 13192608, 13530880, 13830960, 14291992, 14391936, 14616810, 14753024, 15088320, 15222240, 15591264, 15991040, 16078491, 16490760, 16597152, 17022720, 17590144, 17864990, 17989920, 18441280, 19489080, 19788912, 20117760, 20296320, 20746440, 20788352, 21415680, 21437988, 21987680, 22129536, 23386896, 23986560, 24355584, 24736140, 25534080, 25985440, 26385216, 26797485, 27661920, 28583984, 28783872, 29233620, 30176640, 30444480, 31182528, 32156982, 32981520, 33194304, 35180288, 35729980, 35979840, 36882560, 38978160, 39577824, 40592640, 41492880, 41576704, 42875976, 43975360, 44259072, 46773792, 47973120, 49472280, 51068160, 51970880, 52770432, 53594970, 55323840, 57167968, 58467240, 60353280, 60888960, 62365056, 64313964, 65963040, 66388608, 71459960, 71959680, 73765120, 77956320, 79155648, 80392455, 82985760, 85751952, 87950720, 93547584, 98944560, 103941760, 105540864, 107189940, 110647680, 114335936, 116934480, 121777920, 124730112, 128627928, 131926080, 132777216, 142919920, 143919360, 155912640, 158311296, 160784910, 165971520, 171503904, 175901440, 187095168, 197889120, 207883520, 214379880, 221295360, 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約数ペア:

[(1, 20580468480), (2, 10290234240), (3, 6860156160), (4, 5145117120), (5, 4116093696), (6, 3430078080), (8, 2572558560), (9, 2286718720), (10, 2058046848), (11, 1870951680), (12, 1715039040), (13, 1583112960), (15, 1372031232), (16, 1286279280), (18, 1143359360), (20, 1029023424), (22, 935475840), (24, 857519520), (26, 791556480), (30, 686015616), (31, 663886080), (32, 643139640), (33, 623650560), (36, 571679680), (39, 527704320), (40, 514511712), (44, 467737920), (45, 457343744), (48, 428759760), (52, 395778240), (55, 374190336), (60, 343007808), (62, 331943040), (64, 321569820), (65, 316622592), (66, 311825280), (72, 285839840), (78, 263852160), (80, 257255856), (88, 233868960), (90, 228671872), (93, 221295360), (96, 214379880), (99, 207883520), (104, 197889120), (110, 187095168), (117, 175901440), (120, 171503904), (124, 165971520), (128, 160784910), (130, 158311296), (132, 155912640), (143, 143919360), (144, 142919920), (155, 132777216), (156, 131926080), (160, 128627928), (165, 124730112), (169, 121777920), (176, 116934480), (180, 114335936), (186, 110647680), (192, 107189940), (195, 105540864), (198, 103941760), (208, 98944560), (220, 93547584), (234, 87950720), (240, 85751952), (248, 82985760), (256, 80392455), (260, 79155648), (264, 77956320), (279, 73765120), (286, 71959680), (288, 71459960), (310, 66388608), (312, 65963040), (320, 64313964), (330, 62365056), (338, 60888960), (341, 60353280), (352, 58467240), (360, 57167968), (372, 55323840), (384, 53594970), (390, 52770432), (396, 51970880), (403, 51068160), (416, 49472280), (429, 47973120), (440, 46773792), (465, 44259072), (468, 43975360), (480, 42875976), (495, 41576704), (496, 41492880), (507, 40592640), (520, 39577824), (528, 38978160), (558, 36882560), (572, 35979840), (576, 35729980), (585, 35180288), (620, 33194304), (624, 32981520), (640, 32156982), (660, 31182528), (676, 30444480), (682, 30176640), (704, 29233620), (715, 28783872), (720, 28583984), (744, 27661920), (768, 26797485), (780, 26385216), (792, 25985440), (806, 25534080), (832, 24736140), (845, 24355584), (858, 23986560), (880, 23386896), (930, 22129536), (936, 21987680), (960, 21437988), (961, 21415680), (990, 20788352), (992, 20746440), (1014, 20296320), (1023, 20117760), (1040, 19788912), (1056, 19489080), (1116, 18441280), (1144, 17989920), (1152, 17864990), (1170, 17590144), (1209, 17022720), (1240, 16597152), (1248, 16490760), (1280, 16078491), (1287, 15991040), (1320, 15591264), (1352, 15222240), (1364, 15088320), (1395, 14753024), (1408, 14616810), (1430, 14391936), (1440, 14291992), (1488, 13830960), (1521, 13530880), (1560, 13192608), (1584, 12992720), (1612, 12767040), (1664, 12368070), (1690, 12177792), (1705, 12070656), (1716, 11993280), (1760, 11693448), (1859, 11070720), (1860, 11064768), (1872, 10993840), (1920, 10718994), (1922, 10707840), (1980, 10394176), (1984, 10373220), (2015, 10213632), (2028, 10148160), (2046, 10058880), (2080, 9894456), (2112, 9744540), (2145, 9594624), (2232, 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(5720, 3597984), (5760, 3572998), (5766, 3569280), (5952, 3457740), (6045, 3404544), (6084, 3382720), (6138, 3352960), (6240, 3298152), (6336, 3248180), (6435, 3198208), (6448, 3191760), (6760, 3044448), (6820, 3017664), (6864, 2998320), (7040, 2923362), (7254, 2837120), (7436, 2767680), (7440, 2766192), (7488, 2748460), (7605, 2706176), (7688, 2676960), (7920, 2598544), (7936, 2593305), (8060, 2553408), (8112, 2537040), (8184, 2514720), (8320, 2473614), (8448, 2436135), (8580, 2398656), (8649, 2379520), (8866, 2321280), (8928, 2305160), (9152, 2248740), (9295, 2214144), (9360, 2198768), (9610, 2141568), (9672, 2127840), (9920, 2074644), (9984, 2061345), (10140, 2029632), (10230, 2011776), (10296, 1998880), (10478, 1964160), (10560, 1948908), (10571, 1946880), (10816, 1902780), (10912, 1886040), (11154, 1845120), (11160, 1844128), (11440, 1798992), (11520, 1786499), (11532, 1784640), (11904, 1728870), (12090, 1702272), (12168, 1691360), (12276, 1676480), (12480, 1649076), (12493, 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(26195, 785664), (26598, 773760), (27040, 761112), (27280, 754416), (27456, 749580), (27885, 738048), (28830, 713856), (29016, 709280), (29744, 691920), (29760, 691548), (29952, 687115), (30420, 676544), (30690, 670592), (30752, 669240), (31434, 654720), (31680, 649636), (31713, 648960), (32240, 638352), (32448, 634260), (32736, 628680), (33462, 615040), (34320, 599664), (34596, 594880), (35464, 580320), (35712, 576290), (36270, 567424), (36608, 562185), (37180, 553536), (37440, 549692), (37479, 549120), (38440, 535392), (38688, 531960), (39680, 518661), (39897, 515840), (40560, 507408), (40920, 502944), (41184, 499720), (41912, 491040), (42240, 487227), (42284, 486720), (43245, 475904), (43264, 475695), (43648, 471510), (44330, 464256), (44616, 461280), (44640, 461032), (45760, 449748), (46128, 446160), (47151, 436480), (48360, 425568), (48672, 422840), (49104, 419120), (49920, 412269), (49972, 411840), (51480, 399776), (51584, 398970), (52390, 392832), (52855, 389376), (53196, 386880), (54080, 380556), (54560, 377208), (54912, 374790), (55770, 369024), (57629, 357120), (57660, 356928), (58032, 354640), (59488, 345960), (59520, 345774), (60840, 338272), (61380, 335296), (61504, 334620), (62465, 329472), (62868, 327360), (63360, 324818), (63426, 324480), (64480, 319176), (64896, 317130), (65472, 314340), (66495, 309504), (66924, 307520), (68640, 299832), (69192, 297440), (70928, 290160), (71424, 288145), (72540, 283712), (74360, 276768), (74880, 274846), (74958, 274560), (76880, 267696), (77376, 265980), (78585, 261888), (79794, 257920), (81120, 253704), (81840, 251472), (82368, 249860), (83655, 246016), (83824, 245520), (84568, 243360), (86490, 237952), (87296, 235755), (88660, 232128), (89232, 230640), (89280, 230516), (91520, 224874), (92256, 223080), (94302, 218240), (95139, 216320), (96720, 212784), (97344, 211420), (98208, 209560), (99944, 205920), (102960, 199888), (103168, 199485), (104780, 196416), (105710, 194688), (106392, 193440), (108160, 190278), (109120, 188604), (109824, 187395), (111540, 184512), (112437, 183040), (115258, 178560), (115320, 178464), (116064, 177320), (118976, 172980), (119040, 172887), (121680, 169136), (122760, 167648), (123008, 167310), (124930, 164736), (125736, 163680), (126720, 162409), (126852, 162240), (128960, 159588), (129792, 158565), (130944, 157170), (132990, 154752), (133848, 153760), (137280, 149916), (137423, 149760), (138384, 148720), (141856, 145080)]