81965640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{683047}}^1$

素因数の和:683061

約数の個数: 32

約数和(自身を含む): 245897280

約数和(自身を除く): 163931640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 683047, 1366094, 2049141, 2732188, 3415235, 4098282, 5464376, 6830470, 8196564, 10245705, 13660940, 16393128, 20491410, 27321880, 40982820, 81965640]

約数ペア:

[(1, 81965640), (2, 40982820), (3, 27321880), (4, 20491410), (5, 16393128), (6, 13660940), (8, 10245705), (10, 8196564), (12, 6830470), (15, 5464376), (20, 4098282), (24, 3415235), (30, 2732188), (40, 2049141), (60, 1366094), (120, 683047)]