20641177440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:627

約数の個数: 576

約数和(自身を含む): 80639919360

約数和(自身を除く): 59998741920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 130, 131, 144, 152, 156, 160, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 262, 285, 288, 304, 312, 342, 360, 380, 390, 393, 416, 443, 456, 468, 480, 494, 520, 524, 570, 585, 608, 624, 655, 684, 720, 741, 760, 780, 786, 855, 886, 912, 936, 988, 1040, 1048, 1140, 1170, 1179, 1235, 1248, 1310, 1329, 1368, 1440, 1482, 1520, 1560, 1572, 1703, 1710, 1772, 1824, 1872, 1965, 1976, 2080, 2096, 2215, 2223, 2280, 2340, 2358, 2470, 2489, 2620, 2658, 2736, 2964, 3040, 3120, 3144, 3406, 3420, 3544, 3705, 3744, 3930, 3952, 3987, 4192, 4430, 4446, 4560, 4680, 4716, 4940, 4978, 5109, 5240, 5316, 5472, 5759, 5895, 5928, 6240, 6288, 6645, 6812, 6840, 7088, 7410, 7467, 7860, 7904, 7974, 8417, 8515, 8860, 8892, 9120, 9360, 9432, 9880, 9956, 10218, 10480, 10632, 11115, 11518, 11790, 11856, 12445, 12576, 13290, 13624, 13680, 14176, 14820, 14934, 15327, 15720, 15948, 16834, 17030, 17277, 17720, 17784, 18720, 18864, 19760, 19912, 19935, 20436, 20960, 21264, 22230, 22401, 23036, 23580, 23712, 24890, 25251, 25545, 26580, 27248, 27360, 28795, 29640, 29868, 30654, 31440, 31896, 32357, 33668, 34060, 34554, 35440, 35568, 37335, 37728, 39520, 39824, 39870, 40872, 42085, 42528, 44460, 44802, 46072, 47160, 49780, 50502, 51090, 51831, 53160, 54496, 57590, 58033, 59280, 59736, 61308, 62880, 63792, 64714, 67336, 68120, 69108, 70880, 71136, 74670, 75753, 76635, 79648, 79740, 81744, 84170, 86385, 88920, 89604, 92144, 94320, 97071, 99560, 101004, 102180, 103662, 106320, 109421, 112005, 115180, 116066, 118560, 119472, 122616, 126255, 127584, 129428, 134672, 136240, 138216, 149340, 151506, 153270, 159480, 161785, 163488, 168340, 172770, 174099, 177840, 179208, 184288, 188640, 194142, 199120, 202008, 204360, 207324, 212640, 218842, 224010, 230360, 232132, 238944, 245232, 252510, 258856, 259155, 269344, 272480, 276432, 290165, 291213, 298680, 303012, 306540, 318960, 323570, 328263, 336680, 345540, 348198, 355680, 358416, 378765, 388284, 398240, 404016, 408720, 414648, 437684, 448020, 460720, 464264, 485355, 490464, 505020, 517712, 518310, 522297, 547105, 552864, 580330, 582426, 597360, 606024, 613080, 637920, 647140, 656526, 673360, 691080, 696396, 716832, 754429, 757530, 776568, 808032, 817440, 829296, 870495, 875368, 896040, 921440, 928528, 970710, 984789, 1010040, 1035424, 1036620, 1044594, 1094210, 1102627, 1160660, 1164852, 1194720, 1212048, 1226160, 1294280, 1313052, 1346720, 1382160, 1392792, 1456065, 1508858, 1515060, 1553136, 1641315, 1658592, 1740990, 1750736, 1792080, 1857056, 1941420, 1969578, 2020080, 2073240, 2089188, 2188420, 2205254, 2263287, 2321320, 2329704, 2424096, 2452320, 2588560, 2611485, 2626104, 2764320, 2785584, 2912130, 3017716, 3030120, 3106272, 3282630, 3307881, 3481980, 3501472, 3584160, 3772145, 3882840, 3939156, 4040160, 4146480, 4178376, 4376840, 4410508, 4526574, 4642640, 4659408, 4923945, 5177120, 5222970, 5252208, 5513135, 5571168, 5824260, 6035432, 6060240, 6565260, 6615762, 6789861, 6963960, 7544290, 7765680, 7878312, 8292960, 8356752, 8753680, 8821016, 9053148, 9285280, 9318816, 9847890, 9923643, 10445940, 10504416, 11026270, 11316435, 11648520, 12070864, 12120480, 13130520, 13231524, 13579722, 13927920, 14334151, 15088580, 15531360, 15756624, 16539405, 16713504, 17507360, 17642032, 18106296, 19695780, 19847286, 20891880, 22052540, 22632870, 23297040, 24141728, 26261040, 26463048, 27159444, 27855840, 28668302, 30177160, 31513248, 33078810, 33949305, 35284064, 36212592, 39391560, 39694572, 41783760, 43002453, 44105080, 45265740, 46594080, 49618215, 52522080, 52926096, 54318888, 57336604, 60354320, 66157620, 67898610, 71670755, 72425184, 78783120, 79389144, 83567520, 86004906, 88210160, 90531480, 99236430, 105852192, 108637776, 114673208, 120708640, 129007359, 132315240, 135797220, 143341510, 157566240, 158778288, 172009812, 176420320, 181062960, 198472860, 215012265, 217275552, 229346416, 258014718, 264630480, 271594440, 286683020, 317556576, 344019624, 362125920, 396945720, 430024530, 458692832, 516029436, 529260960, 543188880, 573366040, 645036795, 688039248, 793891440, 860049060, 1032058872, 1086377760, 1146732080, 1290073590, 1376078496, 1587782880, 1720098120, 2064117744, 2293464160, 2580147180, 3440196240, 4128235488, 5160294360, 6880392480, 10320588720, 20641177440]

約数ペア:

[(1, 20641177440), (2, 10320588720), (3, 6880392480), (4, 5160294360), (5, 4128235488), (6, 3440196240), (8, 2580147180), (9, 2293464160), (10, 2064117744), (12, 1720098120), (13, 1587782880), (15, 1376078496), (16, 1290073590), (18, 1146732080), (19, 1086377760), (20, 1032058872), (24, 860049060), (26, 793891440), (30, 688039248), (32, 645036795), (36, 573366040), (38, 543188880), (39, 529260960), (40, 516029436), (45, 458692832), (48, 430024530), (52, 396945720), (57, 362125920), (60, 344019624), (65, 317556576), (72, 286683020), (76, 271594440), (78, 264630480), (80, 258014718), (90, 229346416), (95, 217275552), (96, 215012265), (104, 198472860), (114, 181062960), (117, 176420320), (120, 172009812), (130, 158778288), (131, 157566240), (144, 143341510), (152, 135797220), (156, 132315240), (160, 129007359), (171, 120708640), (180, 114673208), (190, 108637776), (195, 105852192), (208, 99236430), (228, 90531480), (234, 88210160), (240, 86004906), (247, 83567520), (260, 79389144), (262, 78783120), (285, 72425184), (288, 71670755), (304, 67898610), (312, 66157620), (342, 60354320), (360, 57336604), (380, 54318888), (390, 52926096), (393, 52522080), (416, 49618215), (443, 46594080), (456, 45265740), (468, 44105080), (480, 43002453), (494, 41783760), (520, 39694572), (524, 39391560), (570, 36212592), (585, 35284064), (608, 33949305), (624, 33078810), (655, 31513248), (684, 30177160), (720, 28668302), (741, 27855840), (760, 27159444), (780, 26463048), (786, 26261040), (855, 24141728), (886, 23297040), (912, 22632870), (936, 22052540), (988, 20891880), (1040, 19847286), (1048, 19695780), (1140, 18106296), (1170, 17642032), (1179, 17507360), (1235, 16713504), (1248, 16539405), (1310, 15756624), (1329, 15531360), (1368, 15088580), (1440, 14334151), (1482, 13927920), (1520, 13579722), (1560, 13231524), (1572, 13130520), (1703, 12120480), (1710, 12070864), (1772, 11648520), (1824, 11316435), (1872, 11026270), (1965, 10504416), (1976, 10445940), (2080, 9923643), (2096, 9847890), (2215, 9318816), (2223, 9285280), (2280, 9053148), (2340, 8821016), (2358, 8753680), (2470, 8356752), (2489, 8292960), (2620, 7878312), (2658, 7765680), (2736, 7544290), (2964, 6963960), (3040, 6789861), (3120, 6615762), (3144, 6565260), (3406, 6060240), (3420, 6035432), (3544, 5824260), (3705, 5571168), (3744, 5513135), (3930, 5252208), (3952, 5222970), (3987, 5177120), (4192, 4923945), (4430, 4659408), (4446, 4642640), (4560, 4526574), (4680, 4410508), (4716, 4376840), (4940, 4178376), (4978, 4146480), (5109, 4040160), (5240, 3939156), (5316, 3882840), (5472, 3772145), (5759, 3584160), (5895, 3501472), (5928, 3481980), (6240, 3307881), (6288, 3282630), (6645, 3106272), (6812, 3030120), (6840, 3017716), (7088, 2912130), (7410, 2785584), (7467, 2764320), (7860, 2626104), (7904, 2611485), (7974, 2588560), (8417, 2452320), (8515, 2424096), (8860, 2329704), (8892, 2321320), (9120, 2263287), (9360, 2205254), (9432, 2188420), (9880, 2089188), (9956, 2073240), (10218, 2020080), (10480, 1969578), (10632, 1941420), (11115, 1857056), (11518, 1792080), (11790, 1750736), (11856, 1740990), (12445, 1658592), (12576, 1641315), (13290, 1553136), (13624, 1515060), (13680, 1508858), (14176, 1456065), (14820, 1392792), (14934, 1382160), (15327, 1346720), (15720, 1313052), (15948, 1294280), (16834, 1226160), (17030, 1212048), (17277, 1194720), (17720, 1164852), (17784, 1160660), (18720, 1102627), (18864, 1094210), (19760, 1044594), (19912, 1036620), (19935, 1035424), (20436, 1010040), (20960, 984789), (21264, 970710), (22230, 928528), (22401, 921440), (23036, 896040), (23580, 875368), (23712, 870495), (24890, 829296), (25251, 817440), (25545, 808032), (26580, 776568), (27248, 757530), (27360, 754429), (28795, 716832), (29640, 696396), (29868, 691080), (30654, 673360), (31440, 656526), (31896, 647140), (32357, 637920), (33668, 613080), (34060, 606024), (34554, 597360), (35440, 582426), (35568, 580330), (37335, 552864), (37728, 547105), (39520, 522297), (39824, 518310), (39870, 517712), (40872, 505020), (42085, 490464), (42528, 485355), (44460, 464264), (44802, 460720), (46072, 448020), (47160, 437684), (49780, 414648), (50502, 408720), (51090, 404016), (51831, 398240), (53160, 388284), (54496, 378765), (57590, 358416), (58033, 355680), (59280, 348198), (59736, 345540), (61308, 336680), (62880, 328263), (63792, 323570), (64714, 318960), (67336, 306540), (68120, 303012), (69108, 298680), (70880, 291213), (71136, 290165), (74670, 276432), (75753, 272480), (76635, 269344), (79648, 259155), (79740, 258856), (81744, 252510), (84170, 245232), (86385, 238944), (88920, 232132), (89604, 230360), (92144, 224010), (94320, 218842), (97071, 212640), (99560, 207324), (101004, 204360), (102180, 202008), (103662, 199120), (106320, 194142), (109421, 188640), (112005, 184288), (115180, 179208), (116066, 177840), (118560, 174099), (119472, 172770), (122616, 168340), (126255, 163488), (127584, 161785), (129428, 159480), (134672, 153270), (136240, 151506), (138216, 149340)]