17999280

素因数分解:

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

素因数の和:676

約数の個数: 160

約数和(自身を含む): 66870720

約数和(自身を除く): 48871440

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, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 641, 702, 720, 780, 936, 1040, 1080, 1170, 1282, 1404, 1560, 1755, 1872, 1923, 2160, 2340, 2564, 2808, 3120, 3205, 3510, 3846, 4680, 5128, 5616, 5769, 6410, 7020, 7692, 8333, 9360, 9615, 10256, 11538, 12820, 14040, 15384, 16666, 17307, 19230, 23076, 24999, 25640, 28080, 28845, 30768, 33332, 34614, 38460, 41665, 46152, 49998, 51280, 57690, 66664, 69228, 74997, 76920, 83330, 86535, 92304, 99996, 115380, 124995, 133328, 138456, 149994, 153840, 166660, 173070, 199992, 224991, 230760, 249990, 276912, 299988, 333320, 346140, 374985, 399984, 449982, 461520, 499980, 599976, 666640, 692280, 749970, 899964, 999960, 1124955, 1199952, 1384560, 1499940, 1799928, 1999920, 2249910, 2999880, 3599856, 4499820, 5999760, 8999640, 17999280]

約数ペア:

[(1, 17999280), (2, 8999640), (3, 5999760), (4, 4499820), (5, 3599856), (6, 2999880), (8, 2249910), (9, 1999920), (10, 1799928), (12, 1499940), (13, 1384560), (15, 1199952), (16, 1124955), (18, 999960), (20, 899964), (24, 749970), (26, 692280), (27, 666640), (30, 599976), (36, 499980), (39, 461520), (40, 449982), (45, 399984), (48, 374985), (52, 346140), (54, 333320), (60, 299988), (65, 276912), (72, 249990), (78, 230760), (80, 224991), (90, 199992), (104, 173070), (108, 166660), (117, 153840), (120, 149994), (130, 138456), (135, 133328), (144, 124995), (156, 115380), (180, 99996), (195, 92304), (208, 86535), (216, 83330), (234, 76920), (240, 74997), (260, 69228), (270, 66664), (312, 57690), (351, 51280), (360, 49998), (390, 46152), (432, 41665), (468, 38460), (520, 34614), (540, 33332), (585, 30768), (624, 28845), (641, 28080), (702, 25640), (720, 24999), (780, 23076), (936, 19230), (1040, 17307), (1080, 16666), (1170, 15384), (1282, 14040), (1404, 12820), (1560, 11538), (1755, 10256), (1872, 9615), (1923, 9360), (2160, 8333), (2340, 7692), (2564, 7020), (2808, 6410), (3120, 5769), (3205, 5616), (3510, 5128), (3846, 4680)]