77792820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185221}}^1$

素因数の和:185240

約数の個数: 48

約数和(自身を含む): 248938368

約数和(自身を除く): 171145548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185221, 370442, 555663, 740884, 926105, 1111326, 1296547, 1852210, 2222652, 2593094, 2778315, 3704420, 3889641, 5186188, 5556630, 6482735, 7779282, 11113260, 12965470, 15558564, 19448205, 25930940, 38896410, 77792820]

約数ペア:

[(1, 77792820), (2, 38896410), (3, 25930940), (4, 19448205), (5, 15558564), (6, 12965470), (7, 11113260), (10, 7779282), (12, 6482735), (14, 5556630), (15, 5186188), (20, 3889641), (21, 3704420), (28, 2778315), (30, 2593094), (35, 2222652), (42, 1852210), (60, 1296547), (70, 1111326), (84, 926105), (105, 740884), (140, 555663), (210, 370442), (420, 185221)]