261816576

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1628

約数の個数: 144

約数和(自身を含む): 822571008

約数和(自身を除く): 560754432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 256, 336, 372, 384, 434, 448, 496, 651, 672, 744, 768, 868, 896, 992, 1302, 1344, 1488, 1571, 1736, 1792, 1984, 2604, 2688, 2976, 3142, 3472, 3968, 4713, 5208, 5376, 5952, 6284, 6944, 7936, 9426, 10416, 10997, 11904, 12568, 13888, 18852, 20832, 21994, 23808, 25136, 27776, 32991, 37704, 41664, 43988, 48701, 50272, 55552, 65982, 75408, 83328, 87976, 97402, 100544, 131964, 146103, 150816, 166656, 175952, 194804, 201088, 263928, 292206, 301632, 340907, 351904, 389608, 402176, 527856, 584412, 603264, 681814, 703808, 779216, 1022721, 1055712, 1168824, 1206528, 1363628, 1407616, 1558432, 2045442, 2111424, 2337648, 2727256, 2815232, 3116864, 4090884, 4222848, 4675296, 5454512, 6233728, 8181768, 8445696, 9350592, 10909024, 12467456, 16363536, 18701184, 21818048, 32727072, 37402368, 43636096, 65454144, 87272192, 130908288, 261816576]

約数ペア:

[(1, 261816576), (2, 130908288), (3, 87272192), (4, 65454144), (6, 43636096), (7, 37402368), (8, 32727072), (12, 21818048), (14, 18701184), (16, 16363536), (21, 12467456), (24, 10909024), (28, 9350592), (31, 8445696), (32, 8181768), (42, 6233728), (48, 5454512), (56, 4675296), (62, 4222848), (64, 4090884), (84, 3116864), (93, 2815232), (96, 2727256), (112, 2337648), (124, 2111424), (128, 2045442), (168, 1558432), (186, 1407616), (192, 1363628), (217, 1206528), (224, 1168824), (248, 1055712), (256, 1022721), (336, 779216), (372, 703808), (384, 681814), (434, 603264), (448, 584412), (496, 527856), (651, 402176), (672, 389608), (744, 351904), (768, 340907), (868, 301632), (896, 292206), (992, 263928), (1302, 201088), (1344, 194804), (1488, 175952), (1571, 166656), (1736, 150816), (1792, 146103), (1984, 131964), (2604, 100544), (2688, 97402), (2976, 87976), (3142, 83328), (3472, 75408), (3968, 65982), (4713, 55552), (5208, 50272), (5376, 48701), (5952, 43988), (6284, 41664), (6944, 37704), (7936, 32991), (9426, 27776), (10416, 25136), (10997, 23808), (11904, 21994), (12568, 20832), (13888, 18852)]