261158784

素因数分解:

$2^7\times 3^1\times {\mathrm{641}}^1\times {\mathrm{1061}}^1$

素因数の和:1719

約数の個数: 64

約数和(自身を含む): 695440080

約数和(自身を除く): 434281296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 641, 1061, 1282, 1923, 2122, 2564, 3183, 3846, 4244, 5128, 6366, 7692, 8488, 10256, 12732, 15384, 16976, 20512, 25464, 30768, 33952, 41024, 50928, 61536, 67904, 82048, 101856, 123072, 135808, 203712, 246144, 407424, 680101, 1360202, 2040303, 2720404, 4080606, 5440808, 8161212, 10881616, 16322424, 21763232, 32644848, 43526464, 65289696, 87052928, 130579392, 261158784]

約数ペア:

[(1, 261158784), (2, 130579392), (3, 87052928), (4, 65289696), (6, 43526464), (8, 32644848), (12, 21763232), (16, 16322424), (24, 10881616), (32, 8161212), (48, 5440808), (64, 4080606), (96, 2720404), (128, 2040303), (192, 1360202), (384, 680101), (641, 407424), (1061, 246144), (1282, 203712), (1923, 135808), (2122, 123072), (2564, 101856), (3183, 82048), (3846, 67904), (4244, 61536), (5128, 50928), (6366, 41024), (7692, 33952), (8488, 30768), (10256, 25464), (12732, 20512), (15384, 16976)]