19896851520

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 1008

約数和(自身を含む): 88136455680

約数和(自身を除く): 68239604160

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, 31, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 62, 63, 64, 65, 70, 72, 78, 79, 80, 84, 90, 91, 93, 96, 104, 105, 112, 117, 120, 124, 126, 130, 140, 144, 155, 156, 158, 160, 168, 180, 182, 186, 192, 195, 208, 210, 217, 224, 234, 237, 240, 248, 252, 260, 273, 279, 280, 288, 310, 312, 315, 316, 320, 336, 360, 364, 372, 390, 395, 403, 416, 420, 434, 448, 455, 465, 468, 474, 480, 496, 504, 520, 546, 553, 558, 560, 576, 585, 620, 624, 630, 632, 651, 672, 711, 720, 728, 744, 780, 790, 806, 819, 832, 840, 868, 910, 930, 936, 948, 960, 961, 992, 1008, 1027, 1040, 1085, 1092, 1106, 1116, 1120, 1170, 1185, 1209, 1240, 1248, 1260, 1264, 1302, 1344, 1365, 1395, 1422, 1440, 1456, 1488, 1560, 1580, 1612, 1638, 1659, 1680, 1736, 1820, 1860, 1872, 1896, 1922, 1953, 1984, 2015, 2016, 2054, 2080, 2170, 2184, 2212, 2232, 2240, 2340, 2370, 2418, 2449, 2480, 2496, 2520, 2528, 2604, 2730, 2765, 2790, 2821, 2844, 2880, 2883, 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約数ペア:

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