72720564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{865721}}^1$

素因数の和:865735

約数の個数: 24

約数和(自身を含む): 193921728

約数和(自身を除く): 121201164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 865721, 1731442, 2597163, 3462884, 5194326, 6060047, 10388652, 12120094, 18180141, 24240188, 36360282, 72720564]

約数ペア:

[(1, 72720564), (2, 36360282), (3, 24240188), (4, 18180141), (6, 12120094), (7, 10388652), (12, 6060047), (14, 5194326), (21, 3462884), (28, 2597163), (42, 1731442), (84, 865721)]