81905640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{682547}}^1$

素因数の和:682561

約数の個数: 32

約数和(自身を含む): 245717280

約数和(自身を除く): 163811640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 682547, 1365094, 2047641, 2730188, 3412735, 4095282, 5460376, 6825470, 8190564, 10238205, 13650940, 16381128, 20476410, 27301880, 40952820, 81905640]

約数ペア:

[(1, 81905640), (2, 40952820), (3, 27301880), (4, 20476410), (5, 16381128), (6, 13650940), (8, 10238205), (10, 8190564), (12, 6825470), (15, 5460376), (20, 4095282), (24, 3412735), (30, 2730188), (40, 2047641), (60, 1365094), (120, 682547)]