20911890720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:158

約数の個数: 1152

約数和(自身を含む): 87369891840

約数和(自身を除く): 66458001120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 29, 30, 31, 32, 35, 40, 42, 43, 46, 48, 49, 56, 58, 60, 62, 69, 70, 80, 84, 86, 87, 92, 93, 96, 98, 105, 112, 115, 116, 120, 124, 129, 138, 140, 145, 147, 155, 160, 161, 168, 172, 174, 184, 186, 196, 203, 210, 215, 217, 224, 230, 232, 240, 245, 248, 258, 276, 280, 290, 294, 301, 310, 322, 336, 344, 345, 348, 368, 372, 392, 406, 420, 430, 434, 435, 460, 464, 465, 480, 483, 490, 496, 516, 552, 560, 580, 588, 602, 609, 620, 644, 645, 651, 667, 672, 688, 690, 696, 713, 735, 736, 744, 784, 805, 812, 840, 860, 868, 870, 899, 903, 920, 928, 930, 966, 980, 989, 992, 1015, 1032, 1085, 1104, 1120, 1127, 1160, 1176, 1204, 1218, 1240, 1247, 1288, 1290, 1302, 1333, 1334, 1376, 1380, 1392, 1421, 1426, 1470, 1488, 1505, 1519, 1568, 1610, 1624, 1680, 1720, 1736, 1740, 1798, 1806, 1840, 1860, 1932, 1960, 1978, 2001, 2030, 2064, 2107, 2139, 2170, 2208, 2254, 2320, 2352, 2408, 2415, 2436, 2480, 2494, 2576, 2580, 2604, 2666, 2668, 2697, 2760, 2784, 2842, 2852, 2940, 2967, 2976, 3010, 3038, 3045, 3220, 3248, 3255, 3335, 3360, 3381, 3440, 3472, 3480, 3565, 3596, 3612, 3680, 3720, 3741, 3864, 3920, 3956, 3999, 4002, 4060, 4128, 4214, 4263, 4278, 4340, 4495, 4508, 4515, 4557, 4640, 4669, 4704, 4816, 4830, 4872, 4945, 4960, 4988, 4991, 5152, 5160, 5208, 5332, 5336, 5394, 5520, 5635, 5684, 5704, 5880, 5934, 6020, 6076, 6090, 6235, 6293, 6321, 6440, 6496, 6510, 6665, 6670, 6762, 6880, 6923, 6944, 6960, 7105, 7130, 7192, 7224, 7440, 7482, 7595, 7728, 7840, 7912, 7998, 8004, 8120, 8428, 8526, 8556, 8680, 8729, 8990, 9016, 9030, 9114, 9331, 9338, 9632, 9660, 9744, 9890, 9976, 9982, 10005, 10320, 10416, 10535, 10664, 10672, 10695, 10788, 11040, 11270, 11368, 11408, 11760, 11868, 12040, 12152, 12180, 12470, 12586, 12642, 12880, 13020, 13330, 13340, 13485, 13524, 13846, 13920, 14007, 14210, 14260, 14384, 14448, 14835, 14880, 14964, 14973, 15190, 15456, 15824, 15996, 16008, 16240, 16856, 16905, 17052, 17112, 17360, 17458, 17980, 18032, 18060, 18228, 18662, 18676, 18705, 18879, 19320, 19488, 19780, 19952, 19964, 19995, 20010, 20640, 20677, 20769, 20832, 21070, 21315, 21328, 21344, 21390, 21576, 22540, 22736, 22785, 22816, 23345, 23520, 23736, 24080, 24304, 24360, 24940, 24955, 25172, 25284, 25760, 26040, 26187, 26660, 26680, 26970, 27048, 27692, 27993, 28014, 28420, 28520, 28681, 28768, 28896, 29670, 29928, 29946, 30380, 30659, 31465, 31605, 31648, 31992, 32016, 32480, 32683, 33712, 33810, 34104, 34224, 34615, 34720, 34916, 34937, 35960, 36064, 36120, 36456, 37324, 37352, 37410, 37758, 38640, 38657, 39560, 39904, 39928, 39990, 40020, 41354, 41538, 42140, 42630, 42656, 42780, 43152, 43645, 44051, 45080, 45472, 45570, 46655, 46690, 47472, 48160, 48461, 48608, 48720, 49880, 49910, 50344, 50568, 52080, 52374, 53320, 53360, 53940, 54096, 55384, 55986, 56028, 56840, 57040, 57362, 59340, 59856, 59892, 60760, 61103, 61318, 62031, 62930, 63210, 63984, 64032, 65317, 65366, 67424, 67620, 68208, 68448, 69230, 69832, 69874, 70035, 71920, 72240, 72912, 74648, 74704, 74820, 74865, 75516, 77280, 77314, 79120, 79856, 79980, 80040, 82708, 83076, 84280, 85260, 85560, 86043, 86304, 87290, 88102, 90160, 91140, 91977, 93310, 93380, 94395, 94944, 96922, 97440, 98049, 99760, 99820, 100688, 101136, 103385, 103845, 104160, 104748, 104811, 106640, 106720, 107880, 108192, 110768, 111972, 112056, 113680, 114080, 114724, 115971, 118680, 119712, 119784, 121520, 122206, 122636, 124062, 125860, 126420, 127968, 130634, 130732, 130935, 132153, 135240, 136416, 138460, 139664, 139748, 139965, 140070, 143405, 143840, 144480, 144739, 145383, 145824, 149296, 149408, 149640, 149730, 151032, 153295, 154628, 158240, 159712, 159960, 160080, 163415, 165416, 166152, 168560, 170520, 171120, 172086, 174580, 174685, 176204, 180320, 182280, 183309, 183954, 186620, 186760, 188790, 193285, 193844, 195951, 196098, 199520, 199640, 200767, 201376, 202272, 206770, 207690, 209496, 209622, 213280, 214613, 215760, 220255, 221536, 223944, 224112, 227360, 229448, 231942, 237360, 239568, 242305, 243040, 244412, 245272, 248124, 251720, 252840, 261268, 261464, 261870, 264306, 270480, 270599, 276920, 279328, 279496, 279930, 280140, 286810, 289478, 290766, 298592, 299280, 299460, 302064, 305515, 306590, 309256, 310155, 319920, 320160, 326585, 326830, 330832, 332304, 337120, 341040, 342240, 344172, 349160, 349370, 352408, 364560, 366618, 367908, 373240, 373520, 377580, 386570, 387688, 391902, 392196, 399280, 401534, 413540, 415380, 418992, 419244, 429226, 430215, 431520, 434217, 440510, 447888, 448224, 458896, 459885, 463884, 474720, 479136, 484610, 488824, 490245, 490544, 496248, 503440, 505680, 522536, 522928, 523740, 524055, 528612, 540960, 541198, 553840, 558992, 559860, 560280, 573620, 578956, 579855, 581532, 598560, 598920, 602301, 604128, 611030, 613180, 618512, 620310, 639840, 643839, 653170, 653660, 660765, 661664, 664608, 682080, 688344, 698320, 698740, 704816, 723695, 726915, 729120, 733236, 735816, 746480, 747040, 755160, 773140, 775376, 783804, 784392, 798560, 803068, 811797, 827080, 830760, 837984, 838488, 858452, 860430, 868434, 881020, 889111, 895776, 916545, 917792, 919770, 927768, 969220, 977648, 979755, 980490, 981088, 992496, 1003835, 1006880, 1011360, 1013173, 1045072, 1045856, 1047480, 1048110, 1057224, 1073065, 1082396, 1107680, 1117984, 1119720, 1120560, 1147240, 1157912, 1159710, 1163064, 1197840, 1204602, 1222060, 1226360, 1237024, 1240620, 1287678, 1306340, 1307320, 1321530, 1352995, 1376688, 1396640, 1397480, 1405369, 1409632, 1447390, 1453830, 1466472, 1471632, 1492960, 1502291, 1510320, 1546280, 1550752, 1567608, 1568784, 1606136, 1623594, 1654160, 1661520, 1676976, 1716904, 1720860, 1736868, 1762040, 1778222, 1833090, 1839540, 1855536, 1894193, 1938440, 1955296, 1959510, 1960980, 1984992, 2007670, 2026346, 2090144, 2094960, 2096220, 2114448, 2146130, 2164792, 2171085, 2239440, 2241120, 2294480, 2315824, 2319420, 2326128, 2395680, 2409204, 2444120, 2452720, 2481240, 2575356, 2612680, 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74685324, 75767720, 81053840, 84322140, 85354656, 87132878, 90137460, 90921264, 93356655, 96368160, 97264608, 99580432, 103014240, 106693320, 112429520, 113651580, 120183280, 121580760, 124475540, 129887520, 130699317, 134915424, 142257760, 144219936, 149370648, 151535440, 162107680, 168644280, 174265756, 180274920, 181842528, 186713310, 199160864, 213386640, 217832195, 224859040, 227303160, 240366560, 243161520, 248951080, 261398634, 298741296, 303070880, 337288560, 348531512, 360549840, 373426620, 426773280, 435664390, 454606320, 486323040, 497902160, 522797268, 597482592, 653496585, 674577120, 697063024, 721099680, 746853240, 871328780, 909212640, 995804320, 1045594536, 1306993170, 1394126048, 1493706480, 1742657560, 2091189072, 2613986340, 2987412960, 3485315120, 4182378144, 5227972680, 6970630240, 10455945360, 20911890720]

約数ペア:

[(1, 20911890720), (2, 10455945360), (3, 6970630240), (4, 5227972680), (5, 4182378144), (6, 3485315120), (7, 2987412960), (8, 2613986340), (10, 2091189072), (12, 1742657560), (14, 1493706480), (15, 1394126048), (16, 1306993170), (20, 1045594536), (21, 995804320), (23, 909212640), (24, 871328780), (28, 746853240), (29, 721099680), (30, 697063024), (31, 674577120), (32, 653496585), (35, 597482592), (40, 522797268), (42, 497902160), (43, 486323040), (46, 454606320), (48, 435664390), (49, 426773280), (56, 373426620), (58, 360549840), (60, 348531512), (62, 337288560), (69, 303070880), (70, 298741296), (80, 261398634), (84, 248951080), (86, 243161520), (87, 240366560), (92, 227303160), (93, 224859040), (96, 217832195), (98, 213386640), (105, 199160864), (112, 186713310), (115, 181842528), (116, 180274920), (120, 174265756), (124, 168644280), (129, 162107680), (138, 151535440), (140, 149370648), (145, 144219936), (147, 142257760), (155, 134915424), (160, 130699317), (161, 129887520), (168, 124475540), (172, 121580760), (174, 120183280), (184, 113651580), (186, 112429520), (196, 106693320), (203, 103014240), (210, 99580432), (215, 97264608), (217, 96368160), (224, 93356655), (230, 90921264), (232, 90137460), (240, 87132878), (245, 85354656), (248, 84322140), (258, 81053840), (276, 75767720), (280, 74685324), (290, 72109968), (294, 71128880), (301, 69474720), (310, 67457712), (322, 64943760), (336, 62237770), (344, 60790380), (345, 60614176), (348, 60091640), (368, 56825790), (372, 56214760), (392, 53346660), (406, 51507120), (420, 49790216), (430, 48632304), (434, 48184080), (435, 48073312), (460, 45460632), (464, 45068730), (465, 44971808), (480, 43566439), (483, 43295840), (490, 42677328), (496, 42161070), (516, 40526920), (552, 37883860), (560, 37342662), (580, 36054984), (588, 35564440), (602, 34737360), (609, 34338080), (620, 33728856), (644, 32471880), (645, 32421536), (651, 32122720), (667, 31352160), (672, 31118885), (688, 30395190), (690, 30307088), (696, 30045820), (713, 29329440), (735, 28451552), (736, 28412895), (744, 28107380), (784, 26673330), (805, 25977504), (812, 25753560), (840, 24895108), (860, 24316152), (868, 24092040), (870, 24036656), (899, 23261280), (903, 23158240), (920, 22730316), (928, 22534365), (930, 22485904), (966, 21647920), (980, 21338664), (989, 21144480), (992, 21080535), (1015, 20602848), (1032, 20263460), (1085, 19273632), (1104, 18941930), (1120, 18671331), (1127, 18555360), (1160, 18027492), (1176, 17782220), (1204, 17368680), (1218, 17169040), (1240, 16864428), (1247, 16769760), (1288, 16235940), (1290, 16210768), (1302, 16061360), (1333, 15687840), (1334, 15676080), (1376, 15197595), (1380, 15153544), (1392, 15022910), (1421, 14716320), (1426, 14664720), (1470, 14225776), (1488, 14053690), (1505, 13894944), (1519, 13766880), (1568, 13336665), (1610, 12988752), (1624, 12876780), (1680, 12447554), (1720, 12158076), (1736, 12046020), (1740, 12018328), (1798, 11630640), (1806, 11579120), (1840, 11365158), (1860, 11242952), (1932, 10823960), (1960, 10669332), (1978, 10572240), (2001, 10450720), (2030, 10301424), (2064, 10131730), (2107, 9924960), (2139, 9776480), (2170, 9636816), (2208, 9470965), (2254, 9277680), (2320, 9013746), (2352, 8891110), (2408, 8684340), (2415, 8659168), (2436, 8584520), (2480, 8432214), (2494, 8384880), (2576, 8117970), (2580, 8105384), (2604, 8030680), (2666, 7843920), (2668, 7838040), (2697, 7753760), (2760, 7576772), (2784, 7511455), (2842, 7358160), (2852, 7332360), (2940, 7112888), (2967, 7048160), (2976, 7026845), (3010, 6947472), (3038, 6883440), (3045, 6867616), (3220, 6494376), (3248, 6438390), (3255, 6424544), (3335, 6270432), (3360, 6223777), (3381, 6185120), (3440, 6079038), (3472, 6023010), (3480, 6009164), (3565, 5865888), (3596, 5815320), (3612, 5789560), (3680, 5682579), (3720, 5621476), (3741, 5589920), (3864, 5411980), (3920, 5334666), (3956, 5286120), (3999, 5229280), (4002, 5225360), (4060, 5150712), (4128, 5065865), (4214, 4962480), (4263, 4905440), (4278, 4888240), (4340, 4818408), (4495, 4652256), (4508, 4638840), (4515, 4631648), (4557, 4588960), (4640, 4506873), (4669, 4478880), (4704, 4445555), (4816, 4342170), (4830, 4329584), (4872, 4292260), (4945, 4228896), (4960, 4216107), (4988, 4192440), (4991, 4189920), (5152, 4058985), (5160, 4052692), (5208, 4015340), (5332, 3921960), (5336, 3919020), (5394, 3876880), (5520, 3788386), (5635, 3711072), (5684, 3679080), (5704, 3666180), (5880, 3556444), (5934, 3524080), (6020, 3473736), (6076, 3441720), (6090, 3433808), (6235, 3353952), (6293, 3323040), (6321, 3308320), (6440, 3247188), (6496, 3219195), (6510, 3212272), (6665, 3137568), (6670, 3135216), (6762, 3092560), (6880, 3039519), (6923, 3020640), (6944, 3011505), (6960, 3004582), (7105, 2943264), (7130, 2932944), (7192, 2907660), (7224, 2894780), (7440, 2810738), (7482, 2794960), (7595, 2753376), (7728, 2705990), (7840, 2667333), (7912, 2643060), (7998, 2614640), (8004, 2612680), (8120, 2575356), (8428, 2481240), (8526, 2452720), (8556, 2444120), (8680, 2409204), (8729, 2395680), (8990, 2326128), (9016, 2319420), (9030, 2315824), (9114, 2294480), (9331, 2241120), (9338, 2239440), (9632, 2171085), (9660, 2164792), (9744, 2146130), (9890, 2114448), (9976, 2096220), (9982, 2094960), (10005, 2090144), (10320, 2026346), (10416, 2007670), (10535, 1984992), (10664, 1960980), (10672, 1959510), (10695, 1955296), (10788, 1938440), (11040, 1894193), (11270, 1855536), (11368, 1839540), (11408, 1833090), (11760, 1778222), (11868, 1762040), (12040, 1736868), (12152, 1720860), (12180, 1716904), (12470, 1676976), (12586, 1661520), (12642, 1654160), (12880, 1623594), (13020, 1606136), (13330, 1568784), (13340, 1567608), (13485, 1550752), (13524, 1546280), (13846, 1510320), (13920, 1502291), (14007, 1492960), (14210, 1471632), (14260, 1466472), (14384, 1453830), (14448, 1447390), (14835, 1409632), (14880, 1405369), (14964, 1397480), (14973, 1396640), (15190, 1376688), (15456, 1352995), (15824, 1321530), (15996, 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