640700928

素因数分解:

$2^9\times 3^4\times 7^1\times {\mathrm{2207}}^1$

素因数の和:2244

約数の個数: 200

約数和(自身を含む): 2186502912

約数和(自身を除く): 1545801984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 252, 256, 288, 324, 336, 378, 384, 432, 448, 504, 512, 567, 576, 648, 672, 756, 768, 864, 896, 1008, 1134, 1152, 1296, 1344, 1512, 1536, 1728, 1792, 2016, 2207, 2268, 2304, 2592, 2688, 3024, 3456, 3584, 4032, 4414, 4536, 4608, 5184, 5376, 6048, 6621, 6912, 8064, 8828, 9072, 10368, 10752, 12096, 13242, 13824, 15449, 16128, 17656, 18144, 19863, 20736, 24192, 26484, 30898, 32256, 35312, 36288, 39726, 41472, 46347, 48384, 52968, 59589, 61796, 70624, 72576, 79452, 92694, 96768, 105936, 119178, 123592, 139041, 141248, 145152, 158904, 178767, 185388, 211872, 238356, 247184, 278082, 282496, 290304, 317808, 357534, 370776, 417123, 423744, 476712, 494368, 556164, 564992, 635616, 715068, 741552, 834246, 847488, 953424, 988736, 1112328, 1129984, 1251369, 1271232, 1430136, 1483104, 1668492, 1694976, 1906848, 1977472, 2224656, 2502738, 2542464, 2860272, 2966208, 3336984, 3389952, 3813696, 3954944, 4449312, 5005476, 5084928, 5720544, 5932416, 6673968, 7627392, 7909888, 8898624, 10010952, 10169856, 11441088, 11864832, 13347936, 15254784, 17797248, 20021904, 22882176, 23729664, 26695872, 30509568, 35594496, 40043808, 45764352, 53391744, 71188992, 80087616, 91528704, 106783488, 160175232, 213566976, 320350464, 640700928]

約数ペア:

[(1, 640700928), (2, 320350464), (3, 213566976), (4, 160175232), (6, 106783488), (7, 91528704), (8, 80087616), (9, 71188992), (12, 53391744), (14, 45764352), (16, 40043808), (18, 35594496), (21, 30509568), (24, 26695872), (27, 23729664), (28, 22882176), (32, 20021904), (36, 17797248), (42, 15254784), (48, 13347936), (54, 11864832), (56, 11441088), (63, 10169856), (64, 10010952), (72, 8898624), (81, 7909888), (84, 7627392), (96, 6673968), (108, 5932416), (112, 5720544), (126, 5084928), (128, 5005476), (144, 4449312), (162, 3954944), (168, 3813696), (189, 3389952), (192, 3336984), (216, 2966208), (224, 2860272), (252, 2542464), (256, 2502738), (288, 2224656), (324, 1977472), (336, 1906848), (378, 1694976), (384, 1668492), (432, 1483104), (448, 1430136), (504, 1271232), (512, 1251369), (567, 1129984), (576, 1112328), (648, 988736), (672, 953424), (756, 847488), (768, 834246), (864, 741552), (896, 715068), (1008, 635616), (1134, 564992), (1152, 556164), (1296, 494368), (1344, 476712), (1512, 423744), (1536, 417123), (1728, 370776), (1792, 357534), (2016, 317808), (2207, 290304), (2268, 282496), (2304, 278082), (2592, 247184), (2688, 238356), (3024, 211872), (3456, 185388), (3584, 178767), (4032, 158904), (4414, 145152), (4536, 141248), (4608, 139041), (5184, 123592), (5376, 119178), (6048, 105936), (6621, 96768), (6912, 92694), (8064, 79452), (8828, 72576), (9072, 70624), (10368, 61796), (10752, 59589), (12096, 52968), (13242, 48384), (13824, 46347), (15449, 41472), (16128, 39726), (17656, 36288), (18144, 35312), (19863, 32256), (20736, 30898), (24192, 26484)]