279489280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31193}}^1$

素因数の和:31221

約数の個数: 72

約数和(自身を含む): 765126432

約数和(自身を除く): 485637152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 31193, 62386, 124772, 155965, 218351, 249544, 311930, 436702, 499088, 623860, 873404, 998176, 1091755, 1247720, 1746808, 1996352, 2183510, 2495440, 3493616, 3992704, 4367020, 4990880, 6987232, 7985408, 8734040, 9981760, 13974464, 17468080, 19963520, 27948928, 34936160, 39927040, 55897856, 69872320, 139744640, 279489280]

約数ペア:

[(1, 279489280), (2, 139744640), (4, 69872320), (5, 55897856), (7, 39927040), (8, 34936160), (10, 27948928), (14, 19963520), (16, 17468080), (20, 13974464), (28, 9981760), (32, 8734040), (35, 7985408), (40, 6987232), (56, 4990880), (64, 4367020), (70, 3992704), (80, 3493616), (112, 2495440), (128, 2183510), (140, 1996352), (160, 1746808), (224, 1247720), (256, 1091755), (280, 998176), (320, 873404), (448, 623860), (560, 499088), (640, 436702), (896, 311930), (1120, 249544), (1280, 218351), (1792, 155965), (2240, 124772), (4480, 62386), (8960, 31193)]