840564

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 2242240

約数和(自身を除く): 1401676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 181, 258, 362, 387, 516, 543, 724, 774, 1086, 1161, 1548, 1629, 2172, 2322, 3258, 4644, 4887, 6516, 7783, 9774, 15566, 19548, 23349, 31132, 46698, 70047, 93396, 140094, 210141, 280188, 420282, 840564]

約数ペア:

[(1, 840564), (2, 420282), (3, 280188), (4, 210141), (6, 140094), (9, 93396), (12, 70047), (18, 46698), (27, 31132), (36, 23349), (43, 19548), (54, 15566), (86, 9774), (108, 7783), (129, 6516), (172, 4887), (181, 4644), (258, 3258), (362, 2322), (387, 2172), (516, 1629), (543, 1548), (724, 1161), (774, 1086)]