161739840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:860

約数の個数: 112

約数和(自身を含む): 516087360

約数和(自身を除く): 354347520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 331, 480, 509, 662, 960, 993, 1018, 1324, 1527, 1655, 1986, 2036, 2545, 2648, 3054, 3310, 3972, 4072, 4965, 5090, 5296, 6108, 6620, 7635, 7944, 8144, 9930, 10180, 10592, 12216, 13240, 15270, 15888, 16288, 19860, 20360, 21184, 24432, 26480, 30540, 31776, 32576, 39720, 40720, 48864, 52960, 61080, 63552, 79440, 81440, 97728, 105920, 122160, 158880, 162880, 168479, 244320, 317760, 336958, 488640, 505437, 673916, 842395, 1010874, 1347832, 1684790, 2021748, 2527185, 2695664, 3369580, 4043496, 5054370, 5391328, 6739160, 8086992, 10108740, 10782656, 13478320, 16173984, 20217480, 26956640, 32347968, 40434960, 53913280, 80869920, 161739840]

約数ペア:

[(1, 161739840), (2, 80869920), (3, 53913280), (4, 40434960), (5, 32347968), (6, 26956640), (8, 20217480), (10, 16173984), (12, 13478320), (15, 10782656), (16, 10108740), (20, 8086992), (24, 6739160), (30, 5391328), (32, 5054370), (40, 4043496), (48, 3369580), (60, 2695664), (64, 2527185), (80, 2021748), (96, 1684790), (120, 1347832), (160, 1010874), (192, 842395), (240, 673916), (320, 505437), (331, 488640), (480, 336958), (509, 317760), (662, 244320), (960, 168479), (993, 162880), (1018, 158880), (1324, 122160), (1527, 105920), (1655, 97728), (1986, 81440), (2036, 79440), (2545, 63552), (2648, 61080), (3054, 52960), (3310, 48864), (3972, 40720), (4072, 39720), (4965, 32576), (5090, 31776), (5296, 30540), (6108, 26480), (6620, 24432), (7635, 21184), (7944, 20360), (8144, 19860), (9930, 16288), (10180, 15888), (10592, 15270), (12216, 13240)]