20839575120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:168

約数の個数: 960

約数和(自身を含む): 88635326976

約数和(自身を除く): 67795751856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 34, 35, 37, 39, 40, 41, 42, 48, 51, 52, 56, 60, 65, 68, 70, 74, 78, 80, 82, 84, 85, 91, 102, 104, 105, 111, 112, 119, 120, 123, 130, 136, 140, 148, 156, 164, 168, 170, 182, 185, 195, 204, 205, 208, 210, 221, 222, 238, 240, 246, 255, 259, 260, 272, 273, 280, 287, 296, 312, 328, 336, 340, 357, 364, 370, 390, 408, 410, 420, 442, 444, 455, 476, 481, 492, 510, 518, 520, 533, 546, 555, 560, 574, 592, 595, 615, 624, 629, 656, 663, 680, 697, 714, 728, 740, 777, 780, 816, 820, 840, 861, 884, 888, 910, 952, 962, 984, 1020, 1036, 1040, 1066, 1092, 1105, 1110, 1148, 1190, 1230, 1258, 1295, 1326, 1360, 1365, 1369, 1394, 1428, 1435, 1443, 1456, 1480, 1517, 1547, 1554, 1560, 1599, 1640, 1680, 1722, 1768, 1776, 1785, 1820, 1887, 1904, 1924, 1968, 2040, 2072, 2091, 2132, 2184, 2210, 2220, 2296, 2380, 2405, 2460, 2516, 2590, 2652, 2665, 2730, 2738, 2788, 2856, 2870, 2886, 2960, 3034, 3094, 3108, 3120, 3145, 3198, 3280, 3315, 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28749, 28860, 29274, 29848, 30192, 30340, 30940, 31080, 31857, 31980, 32708, 32856, 33456, 33670, 34440, 35224, 35594, 36244, 36408, 37128, 37310, 37740, 38332, 38480, 39032, 39442, 40404, 40885, 41070, 41820, 42476, 42640, 44030, 44772, 45305, 45510, 46410, 46546, 47915, 48790, 49062, 50320, 50505, 51578, 52836, 53040, 53095, 53391, 53872, 54366, 54760, 55760, 55965, 56129, 57239, 57498, 57720, 58548, 59163, 59696, 60680, 61880, 62160, 63427, 63714, 63960, 65416, 65712, 66045, 67340, 68880, 69819, 70448, 71188, 72488, 72816, 73185, 74256, 74620, 75480, 76664, 77367, 78064, 78884, 80808, 81770, 82140, 83640, 84952, 88060, 88985, 89544, 90610, 91020, 92820, 93092, 95830, 97580, 98124, 98605, 101010, 103156, 105672, 106190, 106782, 108732, 109520, 111930, 112258, 114478, 114996, 115440, 116365, 117096, 118326, 121360, 122655, 123760, 124579, 126854, 127428, 127920, 128945, 130832, 132090, 134680, 135915, 138047, 139638, 142376, 143745, 144976, 146370, 149240, 150960, 153328, 154734, 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729677, 747474, 761124, 766640, 773670, 785806, 788840, 808080, 814555, 828282, 841935, 849520, 854256, 858585, 895440, 898064, 902615, 907647, 915824, 930920, 946608, 951405, 954193, 977466, 981240, 996632, 1005771, 1014832, 1031560, 1056720, 1067820, 1083138, 1087320, 1104376, 1117104, 1122580, 1144780, 1149960, 1170960, 1178709, 1183260, 1210196, 1237872, 1245790, 1268540, 1274280, 1303288, 1341028, 1347096, 1373736, 1380470, 1396380, 1423760, 1444184, 1459354, 1494948, 1512745, 1522248, 1547340, 1571612, 1577680, 1629110, 1656564, 1676285, 1683870, 1717170, 1805230, 1815294, 1861840, 1868685, 1902810, 1908386, 1954932, 1962480, 1964515, 1993264, 2011542, 2063120, 2070705, 2117843, 2135640, 2166276, 2174640, 2189031, 2208752, 2245160, 2289560, 2299920, 2346799, 2357418, 2366520, 2420392, 2443665, 2491580, 2537080, 2548560, 2606576, 2682056, 2694192, 2707845, 2747472, 2760940, 2792760, 2862579, 2888368, 2918708, 2989896, 3025490, 3044496, 3094680, 3143224, 3258220, 3313128, 3352570, 3367740, 3434340, 3610460, 3630588, 3648385, 3737370, 3805620, 3816772, 3909864, 3929030, 4023084, 4141410, 4235686, 4271280, 4332552, 4378062, 4490320, 4538235, 4579120, 4693598, 4714836, 4733040, 4770965, 4840784, 4887330, 4983160, 5028855, 5074160, 5107739, 5364112, 5415690, 5521880, 5585520, 5725158, 5837416, 5893545, 5979792, 6050980, 6189360, 6286448, 6353529, 6516440, 6626256, 6679351, 6705140, 6735480, 6868680, 7040397, 7220920, 7261176, 7296770, 7474740, 7611240, 7633544, 7819728, 7858060, 8046168, 8282820, 8471372, 8665104, 8756124, 9076470, 9387196, 9429672, 9541930, 9774660, 9966320, 10057710, 10215478, 10589215, 10831380, 10945155, 11043760, 11450316, 11674832, 11733995, 11787090, 12101960, 12404509, 12707058, 13032880, 13358702, 13410280, 13470960, 13737360, 14080794, 14312895, 14441840, 14522352, 14593540, 14949480, 15222480, 15267088, 15323217, 15716120, 16092336, 16565640, 16942744, 17512248, 18152940, 18774392, 18859344, 19083860, 19549320, 20038053, 20115420, 20430956, 21178430, 21662760, 21890310, 22900632, 23467990, 23574180, 24203920, 24809018, 25414116, 25538695, 26717404, 26820560, 28161588, 28625790, 29187080, 29898960, 30646434, 31432240, 31767645, 33131280, 33396755, 33885488, 35024496, 35201985, 36305880, 37213527, 37548784, 38167720, 39098640, 40076106, 40230840, 40861912, 42356860, 43325520, 43780620, 45801264, 46935980, 47148360, 49618036, 50828232, 51077390, 53434808, 56323176, 57251580, 58374160, 61292868, 62022545, 63535290, 66793510, 70403970, 72611760, 74427054, 76335440, 76616085, 80152212, 80461680, 81723824, 84713720, 86831563, 87561240, 93871960, 94296720, 99236072, 100190265, 101656464, 102154780, 106869616, 112646352, 114503160, 122585736, 124045090, 127070580, 133587020, 140807940, 148854108, 153232170, 160304424, 169427440, 173663126, 175122480, 186067635, 187743920, 198472144, 200380530, 204309560, 229006320, 245171472, 248090180, 254141160, 260494689, 267174040, 281615880, 297708216, 306464340, 320608848, 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約数ペア:

[(1, 20839575120), (2, 10419787560), (3, 6946525040), (4, 5209893780), (5, 4167915024), (6, 3473262520), (7, 2977082160), (8, 2604946890), (10, 2083957512), (12, 1736631260), (13, 1603044240), (14, 1488541080), (15, 1389305008), (16, 1302473445), (17, 1225857360), (20, 1041978756), (21, 992360720), (24, 868315630), (26, 801522120), (28, 744270540), (30, 694652504), (34, 612928680), (35, 595416432), (37, 563231760), (39, 534348080), (40, 520989378), (41, 508282320), (42, 496180360), (48, 434157815), (51, 408619120), (52, 400761060), (56, 372135270), (60, 347326252), (65, 320608848), (68, 306464340), (70, 297708216), (74, 281615880), (78, 267174040), (80, 260494689), (82, 254141160), (84, 248090180), (85, 245171472), (91, 229006320), (102, 204309560), (104, 200380530), (105, 198472144), (111, 187743920), (112, 186067635), (119, 175122480), (120, 173663126), (123, 169427440), (130, 160304424), (136, 153232170), (140, 148854108), (148, 140807940), (156, 133587020), (164, 127070580), (168, 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180523), (116365, 179088), (117096, 177970), (118326, 176120), (121360, 171717), (122655, 169904), (123760, 168387), (124579, 167280), (126854, 164280), (127428, 163540), (127920, 162911), (128945, 161616), (130832, 159285), (132090, 157768), (134680, 154734), (135915, 153328), (138047, 150960), (139638, 149240), (142376, 146370), (143745, 144976)]