1551728080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{395849}}^1$

素因数の和:395876

約数の個数: 60

約数和(自身を含む): 4196801700

約数和(自身を除く): 2645073620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 395849, 791698, 1583396, 1979245, 2770943, 3166792, 3958490, 5541886, 6333584, 7916980, 11083772, 13854715, 15833960, 19396601, 22167544, 27709430, 31667920, 38793202, 44335088, 55418860, 77586404, 96983005, 110837720, 155172808, 193966010, 221675440, 310345616, 387932020, 775864040, 1551728080]

約数ペア:

[(1, 1551728080), (2, 775864040), (4, 387932020), (5, 310345616), (7, 221675440), (8, 193966010), (10, 155172808), (14, 110837720), (16, 96983005), (20, 77586404), (28, 55418860), (35, 44335088), (40, 38793202), (49, 31667920), (56, 27709430), (70, 22167544), (80, 19396601), (98, 15833960), (112, 13854715), (140, 11083772), (196, 7916980), (245, 6333584), (280, 5541886), (392, 3958490), (490, 3166792), (560, 2770943), (784, 1979245), (980, 1583396), (1960, 791698), (3920, 395849)]