65640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{547}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 197280

約数和(自身を除く): 131640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 547, 1094, 1641, 2188, 2735, 3282, 4376, 5470, 6564, 8205, 10940, 13128, 16410, 21880, 32820, 65640]

約数ペア:

[(1, 65640), (2, 32820), (3, 21880), (4, 16410), (5, 13128), (6, 10940), (8, 8205), (10, 6564), (12, 5470), (15, 4376), (20, 3282), (24, 2735), (30, 2188), (40, 1641), (60, 1094), (120, 547)]