31905660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{827}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 89582976

約数和(自身を除く): 57677316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 827, 1286, 1654, 1929, 2481, 2572, 3215, 3308, 3858, 4135, 4962, 6430, 7716, 8270, 9645, 9924, 12405, 12860, 16540, 19290, 24810, 38580, 49620, 531761, 1063522, 1595283, 2127044, 2658805, 3190566, 5317610, 6381132, 7976415, 10635220, 15952830, 31905660]

約数ペア:

[(1, 31905660), (2, 15952830), (3, 10635220), (4, 7976415), (5, 6381132), (6, 5317610), (10, 3190566), (12, 2658805), (15, 2127044), (20, 1595283), (30, 1063522), (60, 531761), (643, 49620), (827, 38580), (1286, 24810), (1654, 19290), (1929, 16540), (2481, 12860), (2572, 12405), (3215, 9924), (3308, 9645), (3858, 8270), (4135, 7716), (4962, 6430)]