20189537280

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 1056

約数和(自身を含む): 84680951040

約数和(自身を除く): 64491413760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 27, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 54, 55, 60, 64, 66, 68, 71, 72, 80, 85, 88, 90, 96, 99, 102, 108, 110, 120, 121, 128, 132, 135, 136, 142, 144, 153, 160, 165, 170, 176, 180, 187, 192, 198, 204, 213, 216, 220, 240, 242, 255, 256, 264, 270, 272, 284, 288, 297, 306, 320, 330, 340, 352, 355, 360, 363, 374, 384, 396, 408, 426, 432, 440, 459, 480, 484, 495, 510, 512, 528, 540, 544, 561, 568, 576, 594, 605, 612, 639, 640, 660, 680, 704, 710, 720, 726, 748, 765, 768, 781, 792, 816, 852, 864, 880, 918, 935, 960, 968, 990, 1020, 1024, 1056, 1065, 1080, 1088, 1089, 1122, 1136, 1152, 1188, 1207, 1210, 1224, 1278, 1280, 1320, 1360, 1408, 1420, 1440, 1452, 1485, 1496, 1530, 1536, 1562, 1584, 1632, 1683, 1704, 1728, 1760, 1815, 1836, 1870, 1917, 1920, 1936, 1980, 2040, 2057, 2112, 2130, 2160, 2176, 2178, 2244, 2272, 2295, 2304, 2343, 2376, 2414, 2420, 2448, 2556, 2560, 2640, 2720, 2805, 2816, 2840, 2880, 2904, 2970, 2992, 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2018953728, 2243281920, 2523692160, 3364922880, 4037907456, 5047384320, 6729845760, 10094768640, 20189537280]

約数ペア:

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