161993520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:682

約数の個数: 240

約数和(自身を含む): 608523552

約数和(自身を除く): 446530032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 624, 641, 648, 702, 720, 780, 810, 936, 972, 1040, 1053, 1080, 1170, 1215, 1282, 1296, 1404, 1560, 1620, 1755, 1872, 1923, 1944, 2106, 2160, 2340, 2430, 2564, 2808, 3120, 3159, 3205, 3240, 3510, 3846, 3888, 4212, 4680, 4860, 5128, 5265, 5616, 5769, 6318, 6410, 6480, 7020, 7692, 8333, 8424, 9360, 9615, 9720, 10256, 10530, 11538, 12636, 12820, 14040, 15384, 15795, 16666, 16848, 17307, 19230, 19440, 21060, 23076, 24999, 25272, 25640, 28080, 28845, 30768, 31590, 33332, 34614, 38460, 41665, 42120, 46152, 49998, 50544, 51280, 51921, 57690, 63180, 66664, 69228, 74997, 76920, 83330, 84240, 86535, 92304, 99996, 103842, 115380, 124995, 126360, 133328, 138456, 149994, 153840, 155763, 166660, 173070, 199992, 207684, 224991, 230760, 249990, 252720, 259605, 276912, 299988, 311526, 333320, 346140, 374985, 399984, 415368, 449982, 461520, 499980, 519210, 599976, 623052, 666640, 674973, 692280, 749970, 778815, 830736, 899964, 999960, 1038420, 1124955, 1199952, 1246104, 1349946, 1384560, 1499940, 1557630, 1799928, 1999920, 2024919, 2076840, 2249910, 2492208, 2699892, 2999880, 3115260, 3374865, 3599856, 4049838, 4153680, 4499820, 5399784, 5999760, 6230520, 6749730, 8099676, 8999640, 10124595, 10799568, 12461040, 13499460, 16199352, 17999280, 20249190, 26998920, 32398704, 40498380, 53997840, 80996760, 161993520]

約数ペア:

[(1, 161993520), (2, 80996760), (3, 53997840), (4, 40498380), (5, 32398704), (6, 26998920), (8, 20249190), (9, 17999280), (10, 16199352), (12, 13499460), (13, 12461040), (15, 10799568), (16, 10124595), (18, 8999640), (20, 8099676), (24, 6749730), (26, 6230520), (27, 5999760), (30, 5399784), (36, 4499820), (39, 4153680), (40, 4049838), (45, 3599856), (48, 3374865), (52, 3115260), (54, 2999880), (60, 2699892), (65, 2492208), (72, 2249910), (78, 2076840), (80, 2024919), (81, 1999920), (90, 1799928), (104, 1557630), (108, 1499940), (117, 1384560), (120, 1349946), (130, 1246104), (135, 1199952), (144, 1124955), (156, 1038420), (162, 999960), (180, 899964), (195, 830736), (208, 778815), (216, 749970), (234, 692280), (240, 674973), (243, 666640), (260, 623052), (270, 599976), (312, 519210), (324, 499980), (351, 461520), (360, 449982), (390, 415368), (405, 399984), (432, 374985), (468, 346140), (486, 333320), (520, 311526), (540, 299988), (585, 276912), (624, 259605), (641, 252720), (648, 249990), (702, 230760), (720, 224991), (780, 207684), (810, 199992), (936, 173070), (972, 166660), (1040, 155763), (1053, 153840), (1080, 149994), (1170, 138456), (1215, 133328), (1282, 126360), (1296, 124995), (1404, 115380), (1560, 103842), (1620, 99996), (1755, 92304), (1872, 86535), (1923, 84240), (1944, 83330), (2106, 76920), (2160, 74997), (2340, 69228), (2430, 66664), (2564, 63180), (2808, 57690), (3120, 51921), (3159, 51280), (3205, 50544), (3240, 49998), (3510, 46152), (3846, 42120), (3888, 41665), (4212, 38460), (4680, 34614), (4860, 33332), (5128, 31590), (5265, 30768), (5616, 28845), (5769, 28080), (6318, 25640), (6410, 25272), (6480, 24999), (7020, 23076), (7692, 21060), (8333, 19440), (8424, 19230), (9360, 17307), (9615, 16848), (9720, 16666), (10256, 15795), (10530, 15384), (11538, 14040), (12636, 12820)]