20571712560

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 800

約数和(自身を含む): 85558809600

約数和(自身を除く): 64987097040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 48, 53, 54, 56, 60, 63, 70, 72, 80, 81, 84, 86, 90, 105, 106, 108, 112, 120, 126, 129, 135, 140, 144, 159, 162, 168, 172, 180, 189, 199, 210, 212, 215, 216, 240, 252, 258, 265, 270, 280, 301, 315, 318, 324, 336, 344, 360, 371, 378, 387, 398, 405, 420, 424, 430, 432, 477, 504, 516, 530, 540, 560, 567, 597, 602, 630, 636, 645, 648, 688, 720, 742, 756, 774, 795, 796, 810, 840, 848, 860, 903, 945, 954, 995, 1008, 1032, 1060, 1080, 1113, 1134, 1161, 1194, 1204, 1260, 1272, 1290, 1296, 1393, 1431, 1484, 1505, 1512, 1548, 1590, 1592, 1620, 1680, 1720, 1791, 1806, 1855, 1890, 1908, 1935, 1990, 2064, 2120, 2160, 2226, 2268, 2279, 2322, 2385, 2388, 2408, 2520, 2544, 2580, 2709, 2786, 2835, 2862, 2968, 2985, 3010, 3024, 3096, 3180, 3184, 3240, 3339, 3440, 3483, 3582, 3612, 3710, 3780, 3816, 3870, 3980, 4179, 4240, 4293, 4452, 4515, 4536, 4558, 4644, 4770, 4776, 4816, 5040, 5160, 5373, 5418, 5565, 5572, 5670, 5724, 5805, 5936, 5970, 6020, 6192, 6360, 6480, 6678, 6837, 6965, 6966, 7155, 7164, 7224, 7420, 7560, 7632, 7740, 7960, 8127, 8358, 8557, 8586, 8904, 8955, 9030, 9072, 9116, 9288, 9540, 9552, 10017, 10320, 10547, 10746, 10836, 11130, 11144, 11340, 11395, 11448, 11610, 11940, 12040, 12537, 12720, 13356, 13545, 13674, 13930, 13932, 14310, 14328, 14448, 14840, 15120, 15480, 15920, 15953, 16119, 16254, 16695, 16716, 17114, 17172, 17415, 17808, 17910, 18060, 18232, 18576, 19080, 20034, 20511, 20895, 21094, 21465, 21492, 21672, 22260, 22288, 22680, 22790, 22896, 23220, 23880, 24080, 24381, 25074, 25671, 26712, 26865, 27090, 27348, 27860, 27864, 28620, 28656, 29680, 30051, 30960, 31641, 31906, 32238, 32508, 33390, 33432, 34185, 34228, 34344, 34830, 35820, 36120, 36464, 37611, 38160, 40068, 40635, 41022, 41790, 42188, 42785, 42930, 42984, 43344, 44520, 45360, 45580, 46440, 47760, 47859, 48762, 50085, 50148, 51342, 52735, 53424, 53730, 54180, 54696, 55720, 55728, 57240, 59899, 60102, 61533, 62685, 63282, 63812, 64476, 65016, 66780, 66864, 68370, 68456, 68688, 69660, 71640, 72240, 73829, 75222, 77013, 79765, 80136, 80595, 81270, 82044, 83580, 84376, 85570, 85860, 85968, 89040, 91160, 92880, 94923, 95718, 97524, 100170, 100296, 102555, 102684, 105470, 107460, 108360, 109392, 111440, 112833, 114480, 119798, 120204, 121905, 123066, 125370, 126564, 127624, 128355, 128952, 130032, 133560, 136740, 136912, 139320, 143280, 143577, 147658, 150255, 150444, 154026, 158205, 159530, 160272, 161190, 162540, 164088, 167160, 168752, 171140, 171720, 179697, 182320, 184599, 188055, 189846, 191436, 195048, 200340, 200592, 205110, 205368, 210940, 214920, 216720, 221487, 225666, 231039, 239295, 239596, 240408, 243810, 246132, 250740, 253128, 255248, 256710, 257904, 267120, 273480, 278640, 284769, 287154, 295316, 299495, 300510, 300888, 307665, 308052, 316410, 319060, 322380, 325080, 328176, 334320, 342280, 343440, 359394, 369145, 369198, 376110, 379692, 382872, 385065, 390096, 400680, 410220, 410736, 421880, 429840, 430731, 442974, 451332, 453521, 462078, 474615, 478590, 479192, 480816, 487620, 492264, 501480, 506256, 513420, 539091, 546960, 564165, 569538, 574308, 590632, 598990, 601020, 601776, 615330, 616104, 632820, 638120, 644760, 650160, 664461, 684560, 693117, 717885, 718788, 738290, 738396, 752220, 759384, 765744, 770130, 801360, 820440, 843760, 854307, 861462, 885948, 898485, 902664, 907042, 922995, 924156, 949230, 957180, 958384, 975240, 984528, 1002960, 1026840, 1078182, 1107435, 1128330, 1139076, 1148616, 1155195, 1181264, 1197980, 1202040, 1230660, 1232208, 1265640, 1276240, 1289520, 1292193, 1328922, 1360563, 1386234, 1423845, 1435770, 1437576, 1476580, 1476792, 1504440, 1518768, 1540260, 1617273, 1640880, 1708614, 1722924, 1771896, 1796970, 1805328, 1814084, 1845990, 1848312, 1898460, 1914360, 1950480, 1993383, 2053680, 2153655, 2156364, 2214870, 2256660, 2267605, 2278152, 2297232, 2310390, 2395960, 2404080, 2461320, 2531280, 2584386, 2657844, 2695455, 2721126, 2772468, 2847690, 2871540, 2875152, 2953160, 2953584, 3008880, 3080520, 3174647, 3234546, 3322305, 3417228, 3445848, 3465585, 3543792, 3593940, 3628168, 3691980, 3696624, 3796920, 3828720, 3986766, 4081689, 4271535, 4307310, 4312728, 4429740, 4513320, 4535210, 4556304, 4620780, 4791920, 4851819, 4922640, 5168772, 5315688, 5390910, 5442252, 5544936, 5695380, 5743080, 5906320, 5980149, 6161040, 6349294, 6460965, 6469092, 6644610, 6802815, 6834456, 6891696, 6931170, 7187880, 7256336, 7383960, 7593840, 7973532, 8086365, 8163378, 8543070, 8614620, 8625456, 8859480, 9026640, 9070420, 9241560, 9523941, 9703638, 9966915, 10337544, 10631376, 10781820, 10884504, 11089872, 11390760, 11486160, 11960298, 12245067, 12698588, 12921930, 12938184, 13289220, 13605630, 13668912, 13862340, 14375760, 14767920, 15873235, 15947064, 16172730, 16326756, 17086140, 17229240, 17718960, 18140840, 18483120, 19047882, 19407276, 19933830, 20408445, 20675088, 21563640, 21769008, 22781520, 23920596, 24259095, 24490134, 25397176, 25843860, 25876368, 26578440, 27211260, 27724680, 28571823, 29900745, 31746470, 31894128, 32345460, 32653512, 34172280, 34458480, 36281680, 36735201, 38095764, 38814552, 39867660, 40816890, 43127280, 47619705, 47841192, 48518190, 48980268, 50794352, 51687720, 53156880, 54422520, 55449360, 57143646, 59801490, 61225335, 63492940, 64690920, 65307024, 68344560, 73470402, 76191528, 77629104, 79735320, 81633780, 85715469, 95239410, 95682384, 97036380, 97960536, 103375440, 108845040, 114287292, 119602980, 122450670, 126985880, 129381840, 142859115, 146940804, 152383056, 159470640, 163267560, 171430938, 183676005, 190478820, 194072760, 195921072, 228574584, 239205960, 244901340, 253971760, 257146407, 285718230, 293881608, 326535120, 342861876, 367352010, 380957640, 388145520, 428577345, 457149168, 478411920, 489802680, 514292814, 571436460, 587763216, 685723752, 734704020, 761915280, 857154690, 979605360, 1028585628, 1142872920, 1285732035, 1371447504, 1469408040, 1714309380, 2057171256, 2285745840, 2571464070, 2938816080, 3428618760, 4114342512, 5142928140, 6857237520, 10285856280, 20571712560]

約数ペア:

[(1, 20571712560), (2, 10285856280), (3, 6857237520), (4, 5142928140), (5, 4114342512), (6, 3428618760), (7, 2938816080), (8, 2571464070), (9, 2285745840), (10, 2057171256), (12, 1714309380), (14, 1469408040), (15, 1371447504), (16, 1285732035), (18, 1142872920), (20, 1028585628), (21, 979605360), (24, 857154690), (27, 761915280), (28, 734704020), (30, 685723752), (35, 587763216), (36, 571436460), (40, 514292814), (42, 489802680), (43, 478411920), (45, 457149168), (48, 428577345), (53, 388145520), (54, 380957640), (56, 367352010), (60, 342861876), (63, 326535120), (70, 293881608), (72, 285718230), (80, 257146407), (81, 253971760), (84, 244901340), (86, 239205960), (90, 228574584), (105, 195921072), (106, 194072760), (108, 190478820), (112, 183676005), (120, 171430938), (126, 163267560), (129, 159470640), (135, 152383056), (140, 146940804), (144, 142859115), (159, 129381840), (162, 126985880), (168, 122450670), (172, 119602980), (180, 114287292), (189, 108845040), (199, 103375440), (210, 97960536), (212, 97036380), (215, 95682384), (216, 95239410), (240, 85715469), (252, 81633780), (258, 79735320), (265, 77629104), (270, 76191528), (280, 73470402), (301, 68344560), (315, 65307024), (318, 64690920), (324, 63492940), (336, 61225335), (344, 59801490), (360, 57143646), (371, 55449360), (378, 54422520), (387, 53156880), (398, 51687720), (405, 50794352), (420, 48980268), (424, 48518190), (430, 47841192), (432, 47619705), (477, 43127280), (504, 40816890), (516, 39867660), (530, 38814552), (540, 38095764), (560, 36735201), (567, 36281680), (597, 34458480), (602, 34172280), (630, 32653512), (636, 32345460), (645, 31894128), (648, 31746470), (688, 29900745), (720, 28571823), (742, 27724680), (756, 27211260), (774, 26578440), (795, 25876368), (796, 25843860), (810, 25397176), (840, 24490134), (848, 24259095), (860, 23920596), (903, 22781520), (945, 21769008), (954, 21563640), (995, 20675088), (1008, 20408445), (1032, 19933830), (1060, 19407276), (1080, 19047882), (1113, 18483120), (1134, 18140840), (1161, 17718960), (1194, 17229240), (1204, 17086140), (1260, 16326756), (1272, 16172730), (1290, 15947064), (1296, 15873235), (1393, 14767920), (1431, 14375760), (1484, 13862340), (1505, 13668912), (1512, 13605630), (1548, 13289220), (1590, 12938184), (1592, 12921930), (1620, 12698588), (1680, 12245067), (1720, 11960298), (1791, 11486160), (1806, 11390760), (1855, 11089872), (1890, 10884504), (1908, 10781820), (1935, 10631376), (1990, 10337544), (2064, 9966915), (2120, 9703638), (2160, 9523941), (2226, 9241560), (2268, 9070420), (2279, 9026640), (2322, 8859480), (2385, 8625456), (2388, 8614620), (2408, 8543070), (2520, 8163378), (2544, 8086365), (2580, 7973532), (2709, 7593840), (2786, 7383960), (2835, 7256336), (2862, 7187880), (2968, 6931170), (2985, 6891696), (3010, 6834456), (3024, 6802815), (3096, 6644610), (3180, 6469092), (3184, 6460965), (3240, 6349294), (3339, 6161040), (3440, 5980149), (3483, 5906320), (3582, 5743080), (3612, 5695380), (3710, 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