19982017440

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 1152

約数和(自身を含む): 90605813760

約数和(自身を除く): 70623796320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 43, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 86, 88, 90, 96, 99, 105, 108, 110, 112, 120, 121, 126, 127, 129, 132, 135, 140, 144, 154, 160, 165, 168, 172, 176, 180, 189, 198, 210, 215, 216, 220, 224, 231, 240, 242, 252, 254, 258, 264, 270, 280, 288, 297, 301, 308, 315, 330, 336, 344, 352, 360, 363, 378, 381, 385, 387, 396, 420, 430, 432, 440, 462, 473, 480, 484, 495, 504, 508, 516, 528, 540, 560, 594, 602, 605, 616, 630, 635, 645, 660, 672, 688, 693, 720, 726, 756, 762, 770, 774, 792, 840, 847, 860, 864, 880, 889, 903, 924, 945, 946, 968, 990, 1008, 1016, 1032, 1056, 1080, 1089, 1120, 1143, 1155, 1161, 1188, 1204, 1210, 1232, 1260, 1270, 1290, 1320, 1376, 1386, 1397, 1419, 1440, 1452, 1485, 1505, 1512, 1524, 1540, 1548, 1584, 1680, 1694, 1720, 1760, 1778, 1806, 1815, 1848, 1890, 1892, 1905, 1935, 1936, 1980, 2016, 2032, 2064, 2079, 2160, 2178, 2286, 2310, 2322, 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約数ペア:

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