20345456880

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 1120

約数和(自身を含む): 88735511040

約数和(自身を除く): 68390054160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 43, 45, 48, 54, 56, 57, 60, 61, 63, 70, 72, 76, 80, 81, 84, 86, 90, 95, 105, 108, 112, 114, 120, 122, 126, 129, 133, 135, 140, 144, 152, 162, 168, 171, 172, 180, 183, 189, 190, 210, 215, 216, 228, 240, 243, 244, 252, 258, 266, 270, 280, 285, 301, 304, 305, 315, 324, 336, 342, 344, 360, 366, 378, 380, 387, 399, 405, 420, 427, 430, 432, 456, 486, 488, 504, 513, 516, 532, 540, 549, 560, 567, 570, 602, 610, 630, 645, 648, 665, 684, 688, 720, 729, 732, 756, 760, 774, 798, 810, 817, 840, 854, 855, 860, 903, 912, 915, 945, 972, 976, 1008, 1026, 1032, 1064, 1080, 1098, 1134, 1140, 1159, 1161, 1197, 1204, 1215, 1220, 1260, 1281, 1290, 1296, 1330, 1368, 1458, 1464, 1505, 1512, 1520, 1539, 1548, 1596, 1620, 1634, 1647, 1680, 1701, 1708, 1710, 1720, 1806, 1830, 1890, 1935, 1944, 1995, 2052, 2064, 2128, 2135, 2160, 2196, 2268, 2280, 2318, 2322, 2394, 2408, 2430, 2440, 2451, 2520, 2562, 2565, 2580, 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18361, 18468, 18544, 18576, 19152, 19215, 19440, 19608, 19764, 20412, 20496, 20520, 20862, 20898, 20984, 21546, 21672, 21960, 22059, 22680, 22876, 23058, 23085, 23180, 23220, 23607, 23940, 24080, 24339, 24381, 24510, 24624, 24705, 25515, 25620, 26230, 26352, 27090, 27216, 27702, 27816, 27864, 28595, 28728, 29160, 29412, 29646, 30744, 30780, 30960, 31293, 31347, 31476, 31920, 32319, 32452, 32508, 32680, 32940, 34020, 34160, 34314, 34587, 34770, 34830, 35910, 36120, 36722, 36765, 36936, 38430, 39216, 39345, 39528, 40565, 40635, 40824, 41040, 41724, 41796, 41968, 43092, 43344, 43920, 44118, 44469, 45360, 45752, 46116, 46170, 46360, 46440, 47214, 47880, 48678, 48762, 49020, 49410, 49837, 51030, 51240, 51471, 52155, 52245, 52460, 53865, 54180, 55083, 55404, 55632, 55728, 57190, 57456, 57645, 58320, 58824, 59292, 61488, 61560, 62586, 62694, 62952, 64638, 64904, 65016, 65360, 65880, 66177, 68040, 68628, 69174, 69255, 69540, 69660, 70821, 71820, 72240, 73017, 73143, 73444, 73530, 73872, 74115, 76860, 78690, 79056, 81130, 81270, 81648, 83448, 83592, 85785, 86184, 88236, 88938, 91504, 91805, 92232, 92340, 92720, 92880, 93879, 94428, 95760, 96957, 97356, 97524, 98040, 98820, 99674, 102060, 102480, 102942, 103761, 104310, 104490, 104920, 107730, 108360, 110166, 110295, 110808, 114380, 115290, 117648, 118035, 118584, 121695, 121905, 123120, 125172, 125388, 125904, 129276, 129808, 130032, 131760, 132354, 136080, 137256, 138348, 138510, 139080, 139320, 141642, 143640, 146034, 146286, 146888, 147060, 148230, 149511, 153720, 154413, 156465, 156735, 157380, 161595, 162260, 162540, 165249, 166896, 167184, 171570, 172368, 172935, 176472, 177876, 183610, 184464, 184680, 187758, 188856, 193914, 194712, 195048, 196080, 197640, 198531, 199348, 204120, 205884, 207522, 208620, 208980, 209840, 212463, 215460, 216720, 219051, 219429, 220332, 220590, 221616, 222345, 228760, 230580, 236070, 237168, 243390, 243810, 249185, 250344, 250776, 257355, 258552, 264708, 274512, 275415, 276696, 277020, 278160, 278640, 281637, 283284, 287280, 292068, 292572, 293776, 294120, 296460, 299022, 307440, 308826, 311283, 312930, 313470, 314760, 323190, 324520, 325080, 330498, 330885, 343140, 345870, 348859, 352944, 354105, 355752, 365085, 365715, 367220, 369360, 375516, 377712, 387828, 389424, 390096, 395280, 397062, 398696, 408240, 411768, 415044, 417240, 417960, 424926, 430920, 438102, 438858, 440664, 441180, 444690, 448533, 457520, 461160, 463239, 469395, 472140, 484785, 486780, 487620, 495747, 498370, 500688, 501552, 514710, 517104, 518805, 529416, 550830, 553392, 554040, 563274, 566568, 584136, 585144, 588240, 592920, 595593, 598044, 617652, 622566, 625860, 626940, 629520, 637389, 646380, 649040, 650160, 657153, 660996, 661770, 686280, 691740, 697718, 708210, 711504, 730170, 731430, 734440, 747555, 751032, 772065, 775656, 794124, 797392, 823536, 826245, 830088, 834480, 835920, 844911, 849852, 861840, 876204, 877716, 881328, 882360, 889380, 897066, 922320, 926478, 938790, 944280, 969570, 973560, 975240, 991494, 992655, 996740, 1029420, 1037610, 1046577, 1058832, 1062315, 1095255, 1097145, 1101660, 1108080, 1126548, 1133136, 1168272, 1170288, 1185840, 1191186, 1196088, 1235304, 1245132, 1251720, 1253880, 1274778, 1292760, 1314306, 1321992, 1323540, 1345599, 1372560, 1383480, 1389717, 1395436, 1408185, 1416420, 1460340, 1462860, 1468880, 1487241, 1495110, 1502064, 1544130, 1551312, 1556415, 1588248, 1652490, 1660176, 1689822, 1699704, 1744295, 1752408, 1755432, 1764720, 1778760, 1794132, 1852956, 1877580, 1888560, 1912167, 1939140, 1947120, 1950480, 1971459, 1982988, 1985310, 1993480, 2058840, 2075220, 2093154, 2124630, 2190510, 2194290, 2203320, 2242665, 2253096, 2316195, 2382372, 2392176, 2470608, 2478735, 2490264, 2503440, 2507760, 2549556, 2585520, 2628612, 2643984, 2647080, 2691198, 2766960, 2779434, 2790872, 2816370, 2832840, 2920680, 2925720, 2974482, 2977965, 2990220, 3088260, 3112830, 3139731, 3176496, 3186945, 3285765, 3304980, 3379644, 3399408, 3488590, 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16745232, 16898220, 16997040, 17524080, 17554320, 17846892, 17941320, 18529560, 18838386, 19121670, 19714590, 19829880, 20183985, 20845755, 20931540, 21529584, 22235472, 22308615, 22530960, 23657508, 23795856, 23823720, 24220782, 24902640, 25117848, 25495560, 26286120, 26770338, 26911980, 27794340, 27908720, 28257579, 29571885, 29744820, 30594672, 31397310, 31543344, 32294376, 33353208, 33796440, 35693784, 35882640, 36331173, 37059120, 37676772, 38243340, 39429180, 39659760, 40367970, 41691510, 41863080, 44617230, 47095965, 47315016, 47647440, 48441564, 50235696, 50991120, 52572240, 53540676, 53823960, 55588680, 56515158, 59143770, 59489640, 60551955, 62794620, 64588752, 66706416, 66925845, 67592880, 71387568, 72662346, 75353544, 76486680, 78858360, 80735940, 83383020, 83726160, 84772737, 89234460, 94191930, 94630032, 96883128, 107081352, 107647920, 111177360, 113030316, 118287540, 118979280, 121103910, 125589240, 133851690, 141287895, 145324692, 150707088, 152973360, 157716720, 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約数ペア:

[(1, 20345456880), (2, 10172728440), (3, 6781818960), (4, 5086364220), (5, 4069091376), (6, 3390909480), (7, 2906493840), (8, 2543182110), (9, 2260606320), (10, 2034545688), (12, 1695454740), (14, 1453246920), (15, 1356363792), (16, 1271591055), (18, 1130303160), (19, 1070813520), (20, 1017272844), (21, 968831280), (24, 847727370), (27, 753535440), (28, 726623460), (30, 678181896), (35, 581298768), (36, 565151580), (38, 535406760), (40, 508636422), (42, 484415640), (43, 473150160), (45, 452121264), (48, 423863685), (54, 376767720), (56, 363311730), (57, 356937840), (60, 339090948), (61, 333532080), (63, 322943760), (70, 290649384), (72, 282575790), (76, 267703380), (80, 254318211), (81, 251178480), (84, 242207820), (86, 236575080), (90, 226060632), (95, 214162704), (105, 193766256), (108, 188383860), (112, 181655865), (114, 178468920), (120, 169545474), (122, 166766040), (126, 161471880), (129, 157716720), (133, 152973360), (135, 150707088), (140, 145324692), (144, 141287895), (152, 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