20318144000

素因数分解:

$2^9\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 960

約数和(自身を含む): 69861242880

約数和(自身を除く): 49543098880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 25, 28, 31, 32, 35, 38, 40, 44, 49, 50, 55, 56, 62, 64, 70, 76, 77, 80, 88, 95, 98, 100, 110, 112, 124, 125, 128, 133, 140, 152, 154, 155, 160, 175, 176, 190, 196, 200, 209, 217, 220, 224, 245, 248, 250, 256, 266, 275, 280, 304, 308, 310, 320, 341, 350, 352, 380, 385, 392, 400, 418, 434, 440, 448, 475, 490, 496, 500, 512, 532, 539, 550, 560, 589, 608, 616, 620, 640, 665, 682, 700, 704, 760, 770, 775, 784, 800, 836, 868, 875, 880, 896, 931, 950, 980, 992, 1000, 1045, 1064, 1078, 1085, 1100, 1120, 1178, 1216, 1225, 1232, 1240, 1280, 1330, 1364, 1375, 1400, 1408, 1463, 1519, 1520, 1540, 1550, 1568, 1600, 1672, 1705, 1736, 1750, 1760, 1792, 1862, 1900, 1925, 1960, 1984, 2000, 2090, 2128, 2156, 2170, 2200, 2240, 2356, 2375, 2387, 2432, 2450, 2464, 2480, 2560, 2660, 2695, 2728, 2750, 2800, 2816, 2926, 2945, 3038, 3040, 3080, 3100, 3136, 3200, 3325, 3344, 3410, 3472, 3500, 3520, 3584, 3724, 3800, 3850, 3875, 3920, 3968, 4000, 4123, 4180, 4256, 4312, 4340, 4400, 4480, 4655, 4712, 4750, 4774, 4864, 4900, 4928, 4960, 5225, 5320, 5390, 5425, 5456, 5500, 5600, 5632, 5852, 5890, 6076, 6080, 6125, 6160, 6200, 6272, 6400, 6479, 6650, 6688, 6820, 6944, 7000, 7040, 7315, 7448, 7595, 7600, 7700, 7750, 7840, 7936, 8000, 8246, 8360, 8512, 8525, 8624, 8680, 8800, 8960, 9310, 9424, 9500, 9548, 9625, 9728, 9800, 9856, 9920, 10241, 10450, 10640, 10780, 10850, 10912, 11000, 11200, 11704, 11780, 11935, 12152, 12160, 12250, 12320, 12400, 12544, 12800, 12958, 13300, 13376, 13475, 13640, 13888, 14000, 14080, 14630, 14725, 14896, 15190, 15200, 15400, 15500, 15680, 15872, 16000, 16492, 16625, 16709, 16720, 17024, 17050, 17248, 17360, 17600, 17920, 18620, 18848, 19000, 19096, 19250, 19600, 19712, 19840, 20482, 20615, 20900, 21280, 21560, 21700, 21824, 22000, 22400, 23275, 23408, 23560, 23870, 24304, 24320, 24500, 24640, 24800, 25088, 25916, 26125, 26600, 26752, 26950, 27125, 27280, 27776, 28000, 28160, 28861, 29260, 29450, 29792, 30380, 30400, 30800, 31000, 31360, 32000, 32395, 32984, 33250, 33418, 33440, 34048, 34100, 34496, 34720, 35200, 36575, 37240, 37696, 37975, 38000, 38192, 38500, 39200, 39424, 39680, 40964, 41230, 41800, 42560, 42625, 43120, 43400, 43648, 44000, 44800, 45353, 46550, 46816, 47120, 47740, 48608, 48640, 49000, 49280, 49600, 51205, 51832, 52250, 53200, 53504, 53900, 54250, 54560, 55552, 56000, 57722, 58520, 58900, 59584, 59675, 60760, 60800, 61600, 62000, 62720, 64000, 64790, 65968, 66500, 66836, 66880, 67375, 68096, 68200, 68992, 69440, 70400, 73150, 73625, 74480, 75392, 75950, 76000, 76384, 77000, 78400, 79360, 81928, 82460, 83545, 83600, 85120, 85250, 86240, 86800, 87296, 88000, 89600, 90706, 93100, 93632, 94240, 95480, 97216, 98000, 98560, 99200, 102410, 103075, 103664, 104500, 106400, 107008, 107800, 108500, 109120, 111104, 112000, 115444, 116375, 117040, 117800, 119168, 119350, 121520, 121600, 123200, 124000, 125440, 129580, 131936, 133000, 133672, 133760, 134750, 136400, 137984, 138880, 140800, 144305, 146300, 147250, 148960, 150784, 151900, 152000, 152768, 154000, 156800, 161975, 163856, 164920, 167090, 167200, 170240, 170500, 172480, 173600, 174592, 176000, 181412, 182875, 186200, 187264, 188480, 189875, 190960, 194432, 196000, 197120, 198400, 204820, 206150, 207328, 209000, 212800, 215600, 217000, 218240, 224000, 226765, 230888, 232750, 234080, 235600, 238336, 238700, 243040, 243200, 246400, 248000, 256025, 259160, 263872, 266000, 267344, 267520, 269500, 272800, 275968, 277760, 288610, 292600, 294500, 297920, 298375, 301568, 303800, 304000, 305536, 308000, 313600, 317471, 323950, 327712, 329840, 334180, 334400, 340480, 341000, 344960, 347200, 352000, 362824, 365750, 372400, 374528, 376960, 379750, 381920, 388864, 392000, 396800, 409640, 412300, 414656, 417725, 418000, 425600, 431200, 434000, 436480, 448000, 453530, 461776, 465500, 468160, 471200, 476672, 477400, 486080, 492800, 496000, 512050, 515375, 518320, 527744, 532000, 534688, 535040, 539000, 545600, 555520, 577220, 585200, 589000, 595840, 596750, 607600, 608000, 611072, 616000, 627200, 634942, 647900, 655424, 659680, 668360, 668800, 682000, 689920, 694400, 704000, 721525, 725648, 731500, 744800, 749056, 753920, 759500, 763840, 777728, 784000, 809875, 819280, 824600, 829312, 835450, 836000, 851200, 862400, 868000, 872960, 907060, 923552, 931000, 936320, 942400, 954800, 972160, 985600, 992000, 1024100, 1030750, 1036640, 1055488, 1064000, 1069376, 1078000, 1091200, 1133825, 1154440, 1170400, 1178000, 1191680, 1193500, 1215200, 1216000, 1222144, 1232000, 1269884, 1280125, 1295800, 1310848, 1319360, 1336720, 1337600, 1364000, 1379840, 1388800, 1443050, 1451296, 1463000, 1489600, 1507840, 1519000, 1527680, 1568000, 1587355, 1619750, 1638560, 1649200, 1658624, 1670900, 1672000, 1702400, 1724800, 1736000, 1814120, 1847104, 1862000, 1872640, 1884800, 1909600, 1944320, 1984000, 2048200, 2061500, 2073280, 2088625, 2110976, 2128000, 2138752, 2156000, 2182400, 2267650, 2308880, 2340800, 2356000, 2383360, 2387000, 2430400, 2464000, 2539768, 2560250, 2591600, 2621696, 2638720, 2673440, 2675200, 2728000, 2777600, 2886100, 2902592, 2926000, 2979200, 3038000, 3055360, 3136000, 3174710, 3239500, 3277120, 3298400, 3317248, 3341800, 3344000, 3449600, 3472000, 3607625, 3628240, 3694208, 3724000, 3745280, 3769600, 3819200, 3888640, 4096400, 4123000, 4146560, 4177250, 4256000, 4277504, 4312000, 4364800, 4535300, 4617760, 4681600, 4712000, 4774000, 4860800, 4928000, 5079536, 5120500, 5183200, 5243392, 5277440, 5346880, 5456000, 5669125, 5772200, 5805184, 5852000, 5958400, 6076000, 6110720, 6349420, 6479000, 6554240, 6596800, 6683600, 6688000, 6899200, 6944000, 7215250, 7256480, 7388416, 7448000, 7539200, 7638400, 7936775, 8192800, 8246000, 8293120, 8354500, 8512000, 8555008, 8624000, 9070600, 9235520, 9363200, 9424000, 9548000, 9721600, 10159072, 10241000, 10366400, 10554880, 10693760, 10912000, 11338250, 11544400, 11610368, 11704000, 11916800, 12152000, 12698840, 12958000, 13108480, 13193600, 13367200, 13376000, 13888000, 14430500, 14512960, 14776832, 14896000, 15276800, 15873550, 16385600, 16492000, 16586240, 16709000, 17248000, 18141200, 18471040, 18726400, 18848000, 19096000, 19443200, 20318144, 20482000, 20732800, 21387520, 21824000, 22676500, 23088800, 23220736, 23408000, 24304000, 25397680, 25916000, 26216960, 26387200, 26734400, 28861000, 29025920, 29792000, 30553600, 31747100, 32771200, 32984000, 33418000, 34496000, 36282400, 36942080, 37696000, 38192000, 39683875, 40636288, 40964000, 41465600, 42775040, 45353000, 46177600, 46816000, 48608000, 50795360, 51832000, 52774400, 53468800, 57722000, 58051840, 59584000, 63494200, 65542400, 65968000, 66836000, 72564800, 73884160, 76384000, 79367750, 81272576, 81928000, 82931200, 90706000, 92355200, 93632000, 97216000, 101590720, 103664000, 106937600, 115444000, 116103680, 126988400, 131084800, 131936000, 133672000, 145129600, 152768000, 158735500, 162545152, 163856000, 181412000, 184710400, 203181440, 207328000, 213875200, 230888000, 253976800, 263872000, 267344000, 290259200, 317471000, 327712000, 362824000, 369420800, 406362880, 414656000, 461776000, 507953600, 534688000, 580518400, 634942000, 655424000, 725648000, 812725760, 923552000, 1015907200, 1069376000, 1269884000, 1451296000, 1847104000, 2031814400, 2539768000, 2902592000, 4063628800, 5079536000, 10159072000, 20318144000]

約数ペア:

[(1, 20318144000), (2, 10159072000), (4, 5079536000), (5, 4063628800), (7, 2902592000), (8, 2539768000), (10, 2031814400), (11, 1847104000), (14, 1451296000), (16, 1269884000), (19, 1069376000), (20, 1015907200), (22, 923552000), (25, 812725760), (28, 725648000), (31, 655424000), (32, 634942000), (35, 580518400), (38, 534688000), (40, 507953600), (44, 461776000), (49, 414656000), (50, 406362880), (55, 369420800), (56, 362824000), (62, 327712000), (64, 317471000), (70, 290259200), (76, 267344000), (77, 263872000), (80, 253976800), (88, 230888000), (95, 213875200), (98, 207328000), (100, 203181440), (110, 184710400), (112, 181412000), (124, 163856000), (125, 162545152), (128, 158735500), (133, 152768000), (140, 145129600), (152, 133672000), (154, 131936000), (155, 131084800), (160, 126988400), (175, 116103680), (176, 115444000), (190, 106937600), (196, 103664000), (200, 101590720), (209, 97216000), (217, 93632000), (220, 92355200), (224, 90706000), (245, 82931200), (248, 81928000), (250, 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