638027568

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2147

約数の個数: 120

約数和(自身を含む): 1864568160

約数和(自身を除く): 1226540592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 53, 72, 82, 106, 123, 144, 159, 164, 212, 246, 318, 328, 369, 424, 477, 492, 636, 656, 738, 848, 954, 984, 1272, 1476, 1908, 1968, 2039, 2173, 2544, 2952, 3816, 4078, 4346, 5904, 6117, 6519, 7632, 8156, 8692, 12234, 13038, 16312, 17384, 18351, 19557, 24468, 26076, 32624, 34768, 36702, 39114, 48936, 52152, 73404, 78228, 83599, 97872, 104304, 108067, 146808, 156456, 167198, 216134, 250797, 293616, 312912, 324201, 334396, 432268, 501594, 648402, 668792, 752391, 864536, 972603, 1003188, 1296804, 1337584, 1504782, 1729072, 1945206, 2006376, 2593608, 3009564, 3890412, 4012752, 4430747, 5187216, 6019128, 7780824, 8861494, 12038256, 13292241, 15561648, 17722988, 26584482, 35445976, 39876723, 53168964, 70891952, 79753446, 106337928, 159506892, 212675856, 319013784, 638027568]

約数ペア:

[(1, 638027568), (2, 319013784), (3, 212675856), (4, 159506892), (6, 106337928), (8, 79753446), (9, 70891952), (12, 53168964), (16, 39876723), (18, 35445976), (24, 26584482), (36, 17722988), (41, 15561648), (48, 13292241), (53, 12038256), (72, 8861494), (82, 7780824), (106, 6019128), (123, 5187216), (144, 4430747), (159, 4012752), (164, 3890412), (212, 3009564), (246, 2593608), (318, 2006376), (328, 1945206), (369, 1729072), (424, 1504782), (477, 1337584), (492, 1296804), (636, 1003188), (656, 972603), (738, 864536), (848, 752391), (954, 668792), (984, 648402), (1272, 501594), (1476, 432268), (1908, 334396), (1968, 324201), (2039, 312912), (2173, 293616), (2544, 250797), (2952, 216134), (3816, 167198), (4078, 156456), (4346, 146808), (5904, 108067), (6117, 104304), (6519, 97872), (7632, 83599), (8156, 78228), (8692, 73404), (12234, 52152), (13038, 48936), (16312, 39114), (17384, 36702), (18351, 34768), (19557, 32624), (24468, 26076)]