2560788

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 6726720

約数和(自身を除く): 4165932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 181, 262, 362, 393, 524, 543, 724, 786, 1086, 1179, 1572, 1629, 2172, 2358, 3258, 3537, 4716, 4887, 6516, 7074, 9774, 14148, 19548, 23711, 47422, 71133, 94844, 142266, 213399, 284532, 426798, 640197, 853596, 1280394, 2560788]

約数ペア:

[(1, 2560788), (2, 1280394), (3, 853596), (4, 640197), (6, 426798), (9, 284532), (12, 213399), (18, 142266), (27, 94844), (36, 71133), (54, 47422), (108, 23711), (131, 19548), (181, 14148), (262, 9774), (362, 7074), (393, 6516), (524, 4887), (543, 4716), (724, 3537), (786, 3258), (1086, 2358), (1179, 2172), (1572, 1629)]