1978128432

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 480

約数和(自身を含む): 7328102400

約数和(自身を除く): 5349973968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 23, 24, 27, 28, 34, 36, 42, 46, 48, 49, 51, 54, 56, 63, 68, 69, 72, 84, 92, 98, 102, 108, 112, 119, 126, 136, 138, 144, 147, 153, 161, 168, 184, 189, 196, 204, 207, 216, 238, 239, 252, 272, 276, 294, 306, 322, 336, 357, 368, 378, 391, 392, 408, 414, 432, 441, 459, 476, 478, 483, 504, 552, 588, 612, 621, 644, 714, 717, 756, 782, 784, 816, 828, 833, 882, 918, 952, 956, 966, 1008, 1071, 1104, 1127, 1173, 1176, 1224, 1242, 1288, 1323, 1428, 1434, 1449, 1512, 1564, 1656, 1666, 1673, 1764, 1836, 1904, 1912, 1932, 2142, 2151, 2254, 2346, 2352, 2448, 2484, 2499, 2576, 2646, 2737, 2856, 2868, 2898, 3024, 3128, 3213, 3312, 3332, 3346, 3381, 3519, 3528, 3672, 3824, 3864, 4063, 4284, 4302, 4347, 4508, 4692, 4968, 4998, 5019, 5292, 5474, 5497, 5712, 5736, 5796, 6256, 6426, 6453, 6664, 6692, 6762, 7038, 7056, 7344, 7497, 7728, 8126, 8211, 8568, 8604, 8694, 9016, 9384, 9936, 9996, 10038, 10143, 10557, 10584, 10948, 10994, 11472, 11592, 11711, 12189, 12852, 12906, 13328, 13384, 13524, 14076, 14994, 15057, 16252, 16422, 16491, 17136, 17208, 17388, 18032, 18768, 19159, 19992, 20076, 20286, 21114, 21168, 21896, 21988, 22491, 23184, 23422, 24378, 24633, 25704, 25812, 26768, 27048, 28152, 28441, 29988, 30114, 30429, 32504, 32844, 32982, 34416, 34776, 35133, 36567, 38318, 38479, 39984, 40152, 40572, 42228, 43792, 43976, 44982, 45171, 46844, 48756, 49266, 49473, 51408, 51624, 54096, 56304, 56882, 57477, 59976, 60228, 60858, 65008, 65688, 65964, 69552, 70266, 73134, 73899, 76636, 76958, 80304, 81144, 84456, 85323, 87952, 89964, 90342, 93449, 93688, 97512, 98532, 98946, 103248, 105399, 109701, 113764, 114954, 115437, 119952, 120456, 121716, 131376, 131928, 140532, 146268, 147798, 148419, 153272, 153916, 162288, 168912, 170646, 172431, 179928, 180684, 186898, 187376, 195024, 197064, 197892, 199087, 210798, 219402, 227528, 229908, 230874, 240912, 243432, 255969, 263856, 269353, 280347, 281064, 292536, 295596, 296838, 306544, 307832, 316197, 341292, 344862, 346311, 359856, 361368, 373796, 394128, 395784, 398174, 421596, 438804, 455056, 459816, 461748, 486864, 511938, 517293, 538706, 560694, 562128, 585072, 591192, 593676, 597261, 615664, 632394, 654143, 682584, 689724, 692622, 722736, 747592, 767907, 791568, 796348, 808059, 841041, 843192, 877608, 919632, 923496, 1023876, 1034586, 1038933, 1077412, 1121388, 1182384, 1187352, 1194522, 1264788, 1308286, 1365168, 1379448, 1385244, 1495184, 1535814, 1592696, 1616118, 1682082, 1686384, 1755216, 1791783, 1846992, 1962429, 2047752, 2069172, 2077866, 2154824, 2242776, 2374704, 2389044, 2424177, 2523123, 2529576, 2616572, 2758896, 2770488, 3071628, 3185392, 3232236, 3364164, 3583566, 3924858, 4095504, 4138344, 4155732, 4309648, 4485552, 4579001, 4778088, 4848354, 5046246, 5059152, 5233144, 5375349, 5540976, 5887287, 6143256, 6464472, 6728328, 7167132, 7272531, 7849716, 8276688, 8311464, 9158002, 9556176, 9696708, 10092492, 10466288, 10750698, 11774574, 12286512, 12928944, 13456656, 13737003, 14334264, 14545062, 15699432, 16622928, 17661861, 18316004, 19393416, 20184984, 21501396, 23549148, 27474006, 28668528, 29090124, 31398864, 35323722, 36632008, 38786832, 40369968, 41211009, 43002792, 47098296, 54948012, 58180248, 70647444, 73264016, 82422018, 86005584, 94196592, 109896024, 116360496, 123633027, 141294888, 164844036, 219792048, 247266054, 282589776, 329688072, 494532108, 659376144, 989064216, 1978128432]

約数ペア:

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