20155393440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 1152

約数和(自身を含む): 89599910400

約数和(自身を除く): 69444516960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 43, 45, 48, 49, 52, 56, 60, 63, 65, 70, 72, 73, 78, 80, 84, 86, 90, 91, 96, 98, 104, 105, 112, 117, 120, 126, 129, 130, 140, 144, 146, 147, 156, 160, 168, 172, 180, 182, 195, 196, 208, 210, 215, 219, 224, 234, 240, 245, 252, 258, 260, 273, 280, 288, 292, 294, 301, 312, 315, 336, 343, 344, 360, 364, 365, 387, 390, 392, 416, 420, 430, 438, 441, 455, 468, 480, 490, 504, 511, 516, 520, 546, 559, 560, 584, 585, 588, 602, 624, 630, 637, 645, 657, 672, 686, 688, 720, 728, 730, 735, 774, 780, 784, 819, 840, 860, 876, 882, 903, 910, 936, 949, 980, 1008, 1022, 1029, 1032, 1040, 1092, 1095, 1118, 1120, 1168, 1170, 1176, 1204, 1248, 1260, 1274, 1290, 1314, 1365, 1372, 1376, 1440, 1456, 1460, 1470, 1505, 1533, 1548, 1560, 1568, 1638, 1677, 1680, 1715, 1720, 1752, 1764, 1806, 1820, 1872, 1898, 1911, 1935, 1960, 2016, 2044, 2058, 2064, 2080, 2107, 2184, 2190, 2205, 2236, 2336, 2340, 2352, 2408, 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802620, 804960, 816140, 821730, 837018, 856947, 858480, 876512, 878920, 884940, 901404, 904032, 917280, 922866, 930020, 939120, 956592, 958685, 976521, 979368, 986076, 988785, 1001560, 1011360, 1030176, 1054704, 1061928, 1062880, 1070160, 1076677, 1095640, 1116024, 1126755, 1126944, 1130040, 1142596, 1150422, 1179920, 1195740, 1201872, 1224210, 1230488, 1232595, 1284192, 1287720, 1302028, 1305824, 1314768, 1318380, 1327410, 1366560, 1384299, 1395030, 1408680, 1415904, 1428245, 1469052, 1488032, 1502340, 1506720, 1517040, 1533896, 1538110, 1582056, 1594320, 1605240, 1627535, 1632280, 1643460, 1674036, 1713894, 1716960, 1725633, 1757840, 1769880, 1802808, 1836315, 1845732, 1860040, 1878240, 1913184, 1917370, 1953042, 1958736, 1972152, 1977570, 1999543, 2003120, 2092545, 2109408, 2123856, 2140320, 2153354, 2191280, 2232048, 2253510, 2260080, 2285192, 2300844, 2307165, 2359840, 2391480, 2403744, 2448420, 2460976, 2465190, 2570841, 2575440, 2604056, 2629536, 2636760, 2654820, 2768598, 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約数ペア:

[(1, 20155393440), (2, 10077696720), (3, 6718464480), (4, 5038848360), (5, 4031078688), (6, 3359232240), (7, 2879341920), (8, 2519424180), (9, 2239488160), (10, 2015539344), (12, 1679616120), (13, 1550414880), (14, 1439670960), (15, 1343692896), (16, 1259712090), (18, 1119744080), (20, 1007769672), (21, 959780640), (24, 839808060), (26, 775207440), (28, 719835480), (30, 671846448), (32, 629856045), (35, 575868384), (36, 559872040), (39, 516804960), (40, 503884836), (42, 479890320), (43, 468730080), (45, 447897632), (48, 419904030), (49, 411334560), (52, 387603720), (56, 359917740), (60, 335923224), (63, 319926880), (65, 310082976), (70, 287934192), (72, 279936020), (73, 276101280), (78, 258402480), (80, 251942418), (84, 239945160), (86, 234365040), (90, 223948816), (91, 221487840), (96, 209952015), (98, 205667280), (104, 193801860), (105, 191956128), (112, 179958870), (117, 172268320), (120, 167961612), (126, 159963440), (129, 156243360), (130, 155041488), (140, 143967096), (144, 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