256345584

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28559}}^1$

素因数の和:28598

約数の個数: 80

約数和(自身を含む): 764951040

約数和(自身を除く): 508605456

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2244, 2992, 4488, 8976, 28559, 57118, 85677, 114236, 171354, 228472, 314149, 342708, 456944, 485503, 628298, 685416, 942447, 971006, 1256596, 1370832, 1456509, 1884894, 1942012, 2513192, 2913018, 3769788, 3884024, 5026384, 5340533, 5826036, 7539576, 7768048, 10681066, 11652072, 15079152, 16021599, 21362132, 23304144, 32043198, 42724264, 64086396, 85448528, 128172792, 256345584]

約数ペア:

[(1, 256345584), (2, 128172792), (3, 85448528), (4, 64086396), (6, 42724264), (8, 32043198), (11, 23304144), (12, 21362132), (16, 16021599), (17, 15079152), (22, 11652072), (24, 10681066), (33, 7768048), (34, 7539576), (44, 5826036), (48, 5340533), (51, 5026384), (66, 3884024), (68, 3769788), (88, 2913018), (102, 2513192), (132, 1942012), (136, 1884894), (176, 1456509), (187, 1370832), (204, 1256596), (264, 971006), (272, 942447), (374, 685416), (408, 628298), (528, 485503), (561, 456944), (748, 342708), (816, 314149), (1122, 228472), (1496, 171354), (2244, 114236), (2992, 85677), (4488, 57118), (8976, 28559)]