21217917600

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 1080

約数和(自身を含む): 90540017568

約数和(自身を除く): 69322099968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 25, 27, 30, 32, 33, 34, 36, 40, 44, 45, 48, 50, 51, 54, 55, 60, 66, 68, 72, 75, 80, 81, 85, 88, 90, 96, 99, 100, 102, 103, 108, 110, 120, 132, 135, 136, 144, 150, 153, 160, 162, 165, 170, 176, 180, 187, 198, 200, 204, 206, 216, 220, 225, 240, 255, 264, 270, 272, 275, 288, 289, 297, 300, 306, 309, 324, 330, 340, 352, 360, 374, 396, 400, 405, 408, 412, 425, 432, 440, 450, 459, 480, 495, 510, 515, 528, 540, 544, 550, 561, 578, 594, 600, 612, 618, 648, 660, 675, 680, 720, 748, 765, 792, 800, 810, 816, 824, 825, 850, 864, 867, 880, 891, 900, 918, 927, 935, 990, 1020, 1030, 1056, 1080, 1100, 1122, 1133, 1156, 1188, 1200, 1224, 1236, 1275, 1296, 1320, 1350, 1360, 1377, 1440, 1445, 1485, 1496, 1530, 1545, 1584, 1620, 1632, 1648, 1650, 1683, 1700, 1734, 1751, 1760, 1782, 1800, 1836, 1854, 1870, 1980, 2025, 2040, 2060, 2160, 2200, 2244, 2266, 2295, 2312, 2376, 2400, 2448, 2472, 2475, 2550, 2575, 2592, 2601, 2640, 2700, 2720, 2754, 2781, 2805, 2890, 2970, 2992, 3060, 3090, 3168, 3179, 3240, 3296, 3300, 3366, 3399, 3400, 3468, 3502, 3564, 3600, 3672, 3708, 3740, 3825, 3960, 4050, 4080, 4120, 4320, 4335, 4400, 4455, 4488, 4532, 4590, 4624, 4635, 4675, 4752, 4896, 4944, 4950, 5049, 5100, 5150, 5202, 5253, 5280, 5400, 5508, 5562, 5610, 5665, 5780, 5940, 5984, 6120, 6180, 6358, 6480, 6600, 6732, 6798, 6800, 6885, 6936, 7004, 7128, 7200, 7225, 7344, 7416, 7425, 7480, 7650, 7725, 7803, 7920, 8100, 8160, 8240, 8343, 8415, 8670, 8755, 8800, 8910, 8976, 9064, 9180, 9248, 9270, 9350, 9504, 9537, 9888, 9900, 10098, 10197, 10200, 10300, 10404, 10506, 10800, 11016, 11124, 11220, 11330, 11475, 11560, 11880, 12240, 12360, 12716, 12960, 13005, 13200, 13464, 13596, 13600, 13770, 13872, 13905, 14008, 14025, 14256, 14450, 14688, 14832, 14850, 14960, 15147, 15300, 15450, 15606, 15759, 15840, 15895, 16200, 16480, 16686, 16830, 16995, 17340, 17510, 17820, 17952, 18128, 18360, 18540, 18700, 19074, 19261, 19800, 20196, 20394, 20400, 20600, 20808, 21012, 21600, 21675, 22032, 22248, 22275, 22440, 22660, 22950, 23120, 23175, 23409, 23760, 24480, 24720, 25245, 25432, 26010, 26265, 26400, 26928, 27192, 27540, 27744, 27810, 28016, 28050, 28325, 28512, 28611, 28900, 29664, 29700, 29767, 29920, 30294, 30591, 30600, 30900, 31212, 31518, 31790, 32400, 33372, 33660, 33990, 34425, 34680, 35020, 35640, 36256, 36720, 37080, 37400, 38148, 38522, 39015, 39600, 40392, 40788, 40800, 41200, 41616, 41715, 42024, 42075, 43350, 43775, 44064, 44496, 44550, 44880, 45320, 45900, 46240, 46350, 46818, 47277, 47520, 47685, 49440, 50490, 50864, 50985, 52020, 52530, 53856, 54384, 55080, 55620, 56032, 56100, 56650, 57222, 57783, 57800, 59400, 59534, 60588, 61182, 61200, 61800, 62424, 63036, 63580, 64800, 65025, 66744, 67320, 67980, 68850, 69360, 69525, 70040, 71280, 73440, 74160, 74800, 75735, 76296, 77044, 78030, 78795, 79200, 79475, 80784, 81576, 82400, 83232, 83430, 84048, 84150, 84975, 85833, 86700, 87550, 88992, 89100, 89301, 89760, 90640, 91773, 91800, 92700, 93636, 94554, 95370, 96305, 100980, 101728, 101970, 104040, 105060, 108768, 110160, 111240, 112200, 113300, 114444, 115566, 115600, 117045, 118800, 119068, 121176, 122364, 122400, 123600, 124848, 126072, 126225, 127160, 130050, 131325, 133488, 134640, 135960, 137700, 138720, 139050, 140080, 141831, 142560, 143055, 148320, 148835, 149600, 151470, 152592, 152955, 154088, 156060, 157590, 158950, 161568, 163152, 166860, 168096, 168300, 169950, 171666, 173349, 173400, 175100, 178200, 178602, 181280, 183546, 183600, 185400, 187272, 189108, 190740, 192610, 195075, 201960, 203940, 208080, 208575, 210120, 220320, 222480, 224400, 226600, 228888, 231132, 231200, 234090, 236385, 237600, 238136, 238425, 242352, 244728, 247200, 249696, 252144, 252450, 254320, 254925, 257499, 260100, 262650, 266976, 267903, 269280, 271920, 275400, 278100, 280160, 283662, 286110, 288915, 297670, 302940, 305184, 305910, 308176, 312120, 315180, 317900, 326304, 327437, 333720, 336600, 339900, 343332, 346698, 346800, 350200, 356400, 357204, 367092, 367200, 370800, 374544, 378216, 378675, 381480, 385220, 390150, 393975, 403920, 407880, 416160, 417150, 420240, 429165, 444960, 446505, 448800, 453200, 457776, 458865, 462264, 468180, 472770, 476272, 476850, 481525, 484704, 489456, 504288, 504900, 508640, 509850, 514998, 520047, 520200, 525300, 535806, 543840, 550800, 556200, 567324, 572220, 577830, 585225, 595340, 605880, 611820, 616352, 624240, 630360, 635800, 654874, 667440, 673200, 679800, 686664, 693396, 693600, 700400, 709155, 712800, 714408, 715275, 734184, 741600, 744175, 749088, 756432, 757350, 762960, 764775, 770440, 780300, 787950, 803709, 807840, 815760, 834300, 840480, 858330, 866745, 893010, 906400, 915552, 917730, 924528, 936360, 945540, 952544, 953700, 963050, 978912, 982311, 1009800, 1019700, 1029996, 1040094, 1040400, 1050600, 1071612, 1101600, 1112400, 1134648, 1144440, 1155660, 1170450, 1181925, 1190680, 1211760, 1223640, 1248480, 1260720, 1271600, 1287495, 1309748, 1334880, 1339515, 1346400, 1359600, 1373328, 1386792, 1400800, 1418310, 1428816, 1430550, 1444575, 1468368, 1488350, 1512864, 1514700, 1525920, 1529550, 1540880, 1560141, 1560600, 1575900, 1607418, 1631520, 1637185, 1668600, 1716660, 1733490, 1786020, 1835460, 1849056, 1872720, 1891080, 1907400, 1926100, 1964622, 2019600, 2039400, 2059992, 2080188, 2080800, 2101200, 2143224, 2145825, 2224800, 2232525, 2269296, 2288880, 2294325, 2311320, 2340900, 2363850, 2381360, 2411127, 2423520, 2447280, 2521440, 2543200, 2574990, 2600235, 2619496, 2679030, 2719200, 2746656, 2773584, 2836620, 2857632, 2861100, 2889150, 2936736, 2946933, 2976700, 3029400, 3059100, 3081760, 3120282, 3121200, 3151800, 3214836, 3274370, 3337200, 3433320, 3466980, 3545775, 3572040, 3670920, 3745440, 3782160, 3814800, 3852200, 3929244, 4018545, 4039200, 4078800, 4119984, 4160376, 4202400, 4286448, 4291650, 4333725, 4465050, 4538592, 4577760, 4588650, 4622640, 4681800, 4727700, 4762720, 4822254, 4894560, 4911555, 5149980, 5200470, 5238992, 5358060, 5547168, 5673240, 5722200, 5778300, 5893866, 5953400, 6058800, 6118200, 6240564, 6242400, 6303600, 6429672, 6437475, 6548740, 6674400, 6697575, 6866640, 6933960, 7091550, 7144080, 7341840, 7564320, 7629600, 7704400, 7800705, 7858488, 8037090, 8157600, 8185925, 8239968, 8320752, 8572896, 8583300, 8667450, 8840799, 8930100, 9177300, 9245280, 9363600, 9455400, 9644508, 9823110, 10299960, 10400940, 10477984, 10716120, 11346480, 11444400, 11556600, 11787732, 11906800, 12055635, 12117600, 12236400, 12481128, 12607200, 12859344, 12874950, 13001175, 13097480, 13395150, 13733280, 13867920, 14183100, 14288160, 14683680, 14734665, 15408800, 15601410, 15716976, 16074180, 16371850, 16641504, 17166600, 17334900, 17681598, 17860200, 18354600, 18727200, 18910800, 19289016, 19646220, 20092725, 20599920, 20801880, 21432240, 22692960, 22888800, 23113200, 23575464, 23813600, 24111270, 24472800, 24557775, 24962256, 25718688, 25749900, 26002350, 26194960, 26522397, 26790300, 27735840, 28366200, 29469330, 31202820, 31433952, 32148360, 32743700, 34333200, 34669800, 35363196, 35720400, 36709200, 37821600, 38578032, 39003525, 39292440, 40185450, 41199840, 41603760, 42864480, 44203995, 46226400, 47150928, 48222540, 49115550, 49924512, 51499800, 52004700, 52389920, 53044794, 53580600, 56732400, 58938660, 60278175, 62405640, 64296720, 65487400, 68666400, 69339600, 70726392, 71440800, 73418400, 73673325, 77156064, 78007050, 78584880, 80370900, 83207520, 88407990, 94301856, 96445080, 98231100, 102999600, 104009400, 106089588, 107161200, 113464800, 117877320, 120556350, 124811280, 128593440, 130974800, 132611985, 138679200, 141452784, 147346650, 156014100, 157169760, 160741800, 176815980, 192890160, 196462200, 205999200, 208018800, 212179176, 214322400, 221019975, 235754640, 241112700, 249622560, 261949600, 265223970, 282905568, 294693300, 312028200, 321483600, 353631960, 385780320, 392924400, 416037600, 424358352, 442039950, 471509280, 482225400, 530447940, 589386600, 624056400, 642967200, 663059925, 707263920, 785848800, 848716704, 884079900, 964450800, 1060895880, 1178773200, 1248112800, 1326119850, 1414527840, 1768159800, 1928901600, 2121791760, 2357546400, 2652239700, 3536319600, 4243583520, 5304479400, 7072639200, 10608958800, 21217917600]

約数ペア:

[(1, 21217917600), (2, 10608958800), (3, 7072639200), (4, 5304479400), (5, 4243583520), (6, 3536319600), (8, 2652239700), (9, 2357546400), (10, 2121791760), (11, 1928901600), (12, 1768159800), (15, 1414527840), (16, 1326119850), (17, 1248112800), (18, 1178773200), (20, 1060895880), (22, 964450800), (24, 884079900), (25, 848716704), (27, 785848800), (30, 707263920), (32, 663059925), (33, 642967200), (34, 624056400), (36, 589386600), (40, 530447940), (44, 482225400), (45, 471509280), (48, 442039950), (50, 424358352), (51, 416037600), (54, 392924400), (55, 385780320), (60, 353631960), (66, 321483600), (68, 312028200), (72, 294693300), (75, 282905568), (80, 265223970), (81, 261949600), (85, 249622560), (88, 241112700), (90, 235754640), (96, 221019975), (99, 214322400), (100, 212179176), (102, 208018800), (103, 205999200), (108, 196462200), (110, 192890160), (120, 176815980), (132, 160741800), (135, 157169760), (136, 156014100), (144, 147346650), (150, 141452784), (153, 138679200), (160, 132611985), (162, 130974800), (165, 128593440), (170, 124811280), (176, 120556350), (180, 117877320), (187, 113464800), (198, 107161200), (200, 106089588), (204, 104009400), (206, 102999600), (216, 98231100), (220, 96445080), (225, 94301856), (240, 88407990), (255, 83207520), (264, 80370900), (270, 78584880), (272, 78007050), (275, 77156064), (288, 73673325), (289, 73418400), (297, 71440800), (300, 70726392), (306, 69339600), (309, 68666400), (324, 65487400), (330, 64296720), (340, 62405640), (352, 60278175), (360, 58938660), (374, 56732400), (396, 53580600), (400, 53044794), (405, 52389920), (408, 52004700), (412, 51499800), (425, 49924512), (432, 49115550), (440, 48222540), (450, 47150928), (459, 46226400), (480, 44203995), (495, 42864480), (510, 41603760), (515, 41199840), (528, 40185450), (540, 39292440), (544, 39003525), (550, 38578032), (561, 37821600), (578, 36709200), (594, 35720400), (600, 35363196), (612, 34669800), (618, 34333200), (648, 32743700), (660, 32148360), (675, 31433952), (680, 31202820), (720, 29469330), (748, 28366200), (765, 27735840), (792, 26790300), (800, 26522397), (810, 26194960), (816, 26002350), (824, 25749900), (825, 25718688), (850, 24962256), (864, 24557775), (867, 24472800), (880, 24111270), (891, 23813600), (900, 23575464), (918, 23113200), (927, 22888800), (935, 22692960), (990, 21432240), (1020, 20801880), (1030, 20599920), (1056, 20092725), (1080, 19646220), (1100, 19289016), (1122, 18910800), (1133, 18727200), (1156, 18354600), (1188, 17860200), (1200, 17681598), (1224, 17334900), (1236, 17166600), (1275, 16641504), (1296, 16371850), (1320, 16074180), (1350, 15716976), (1360, 15601410), (1377, 15408800), (1440, 14734665), (1445, 14683680), (1485, 14288160), (1496, 14183100), (1530, 13867920), (1545, 13733280), (1584, 13395150), (1620, 13097480), (1632, 13001175), (1648, 12874950), (1650, 12859344), (1683, 12607200), (1700, 12481128), (1734, 12236400), (1751, 12117600), (1760, 12055635), (1782, 11906800), (1800, 11787732), (1836, 11556600), (1854, 11444400), (1870, 11346480), (1980, 10716120), (2025, 10477984), (2040, 10400940), (2060, 10299960), (2160, 9823110), (2200, 9644508), (2244, 9455400), (2266, 9363600), (2295, 9245280), (2312, 9177300), (2376, 8930100), (2400, 8840799), (2448, 8667450), (2472, 8583300), (2475, 8572896), (2550, 8320752), (2575, 8239968), (2592, 8185925), (2601, 8157600), (2640, 8037090), (2700, 7858488), (2720, 7800705), (2754, 7704400), (2781, 7629600), (2805, 7564320), (2890, 7341840), (2970, 7144080), (2992, 7091550), (3060, 6933960), (3090, 6866640), (3168, 6697575), (3179, 6674400), (3240, 6548740), (3296, 6437475), (3300, 6429672), (3366, 6303600), (3399, 6242400), (3400, 6240564), (3468, 6118200), (3502, 6058800), (3564, 5953400), (3600, 5893866), (3672, 5778300), (3708, 5722200), (3740, 5673240), (3825, 5547168), (3960, 5358060), (4050, 5238992), (4080, 5200470), (4120, 5149980), (4320, 4911555), (4335, 4894560), (4400, 4822254), (4455, 4762720), (4488, 4727700), (4532, 4681800), (4590, 4622640), (4624, 4588650), (4635, 4577760), (4675, 4538592), (4752, 4465050), (4896, 4333725), (4944, 4291650), (4950, 4286448), (5049, 4202400), (5100, 4160376), (5150, 4119984), (5202, 4078800), (5253, 4039200), (5280, 4018545), (5400, 3929244), (5508, 3852200), (5562, 3814800), (5610, 3782160), (5665, 3745440), (5780, 3670920), (5940, 3572040), (5984, 3545775), (6120, 3466980), (6180, 3433320), (6358, 3337200), (6480, 3274370), (6600, 3214836), (6732, 3151800), (6798, 3121200), (6800, 3120282), (6885, 3081760), (6936, 3059100), (7004, 3029400), (7128, 2976700), (7200, 2946933), (7225, 2936736), (7344, 2889150), (7416, 2861100), (7425, 2857632), (7480, 2836620), (7650, 2773584), (7725, 2746656), (7803, 2719200), (7920, 2679030), (8100, 2619496), (8160, 2600235), (8240, 2574990), (8343, 2543200), (8415, 2521440), (8670, 2447280), (8755, 2423520), (8800, 2411127), (8910, 2381360), (8976, 2363850), (9064, 2340900), (9180, 2311320), (9248, 2294325), (9270, 2288880), (9350, 2269296), (9504, 2232525), (9537, 2224800), (9888, 2145825), (9900, 2143224), (10098, 2101200), (10197, 2080800), (10200, 2080188), (10300, 2059992), (10404, 2039400), (10506, 2019600), (10800, 1964622), (11016, 1926100), (11124, 1907400), (11220, 1891080), (11330, 1872720), (11475, 1849056), (11560, 1835460), (11880, 1786020), (12240, 1733490), (12360, 1716660), (12716, 1668600), (12960, 1637185), (13005, 1631520), (13200, 1607418), (13464, 1575900), (13596, 1560600), (13600, 1560141), (13770, 1540880), (13872, 1529550), (13905, 1525920), (14008, 1514700), (14025, 1512864), (14256, 1488350), (14450, 1468368), (14688, 1444575), (14832, 1430550), (14850, 1428816), (14960, 1418310), (15147, 1400800), (15300, 1386792), (15450, 1373328), (15606, 1359600), (15759, 1346400), (15840, 1339515), (15895, 1334880), (16200, 1309748), (16480, 1287495), (16686, 1271600), (16830, 1260720), (16995, 1248480), (17340, 1223640), (17510, 1211760), (17820, 1190680), (17952, 1181925), (18128, 1170450), (18360, 1155660), (18540, 1144440), (18700, 1134648), (19074, 1112400), (19261, 1101600), (19800, 1071612), (20196, 1050600), (20394, 1040400), (20400, 1040094), (20600, 1029996), (20808, 1019700), (21012, 1009800), (21600, 982311), (21675, 978912), (22032, 963050), (22248, 953700), (22275, 952544), (22440, 945540), (22660, 936360), (22950, 924528), (23120, 917730), (23175, 915552), (23409, 906400), (23760, 893010), (24480, 866745), (24720, 858330), (25245, 840480), (25432, 834300), (26010, 815760), (26265, 807840), (26400, 803709), (26928, 787950), (27192, 780300), (27540, 770440), (27744, 764775), (27810, 762960), (28016, 757350), (28050, 756432), (28325, 749088), (28512, 744175), (28611, 741600), (28900, 734184), (29664, 715275), (29700, 714408), (29767, 712800), (29920, 709155), (30294, 700400), (30591, 693600), (30600, 693396), (30900, 686664), (31212, 679800), (31518, 673200), (31790, 667440), (32400, 654874), (33372, 635800), (33660, 630360), (33990, 624240), (34425, 616352), (34680, 611820), (35020, 605880), (35640, 595340), (36256, 585225), (36720, 577830), (37080, 572220), (37400, 567324), (38148, 556200), (38522, 550800), (39015, 543840), (39600, 535806), (40392, 525300), (40788, 520200), (40800, 520047), (41200, 514998), (41616, 509850), (41715, 508640), (42024, 504900), (42075, 504288), (43350, 489456), (43775, 484704), (44064, 481525), (44496, 476850), (44550, 476272), (44880, 472770), (45320, 468180), (45900, 462264), (46240, 458865), (46350, 457776), (46818, 453200), (47277, 448800), (47520, 446505), (47685, 444960), (49440, 429165), (50490, 420240), (50864, 417150), (50985, 416160), (52020, 407880), (52530, 403920), (53856, 393975), (54384, 390150), (55080, 385220), (55620, 381480), (56032, 378675), (56100, 378216), (56650, 374544), (57222, 370800), (57783, 367200), (57800, 367092), (59400, 357204), (59534, 356400), (60588, 350200), (61182, 346800), (61200, 346698), (61800, 343332), (62424, 339900), (63036, 336600), (63580, 333720), (64800, 327437), (65025, 326304), (66744, 317900), (67320, 315180), (67980, 312120), (68850, 308176), (69360, 305910), (69525, 305184), (70040, 302940), (71280, 297670), (73440, 288915), (74160, 286110), (74800, 283662), (75735, 280160), (76296, 278100), (77044, 275400), (78030, 271920), (78795, 269280), (79200, 267903), (79475, 266976), (80784, 262650), (81576, 260100), (82400, 257499), (83232, 254925), (83430, 254320), (84048, 252450), (84150, 252144), (84975, 249696), (85833, 247200), (86700, 244728), (87550, 242352), (88992, 238425), (89100, 238136), (89301, 237600), (89760, 236385), (90640, 234090), (91773, 231200), (91800, 231132), (92700, 228888), (93636, 226600), (94554, 224400), (95370, 222480), (96305, 220320), (100980, 210120), (101728, 208575), (101970, 208080), (104040, 203940), (105060, 201960), (108768, 195075), (110160, 192610), (111240, 190740), (112200, 189108), (113300, 187272), (114444, 185400), (115566, 183600), (115600, 183546), (117045, 181280), (118800, 178602), (119068, 178200), (121176, 175100), (122364, 173400), (122400, 173349), (123600, 171666), (124848, 169950), (126072, 168300), (126225, 168096), (127160, 166860), (130050, 163152), (131325, 161568), (133488, 158950), (134640, 157590), (135960, 156060), (137700, 154088), (138720, 152955), (139050, 152592), (140080, 151470), (141831, 149600), (142560, 148835), (143055, 148320)]