1640448768

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{305143}}^1$

素因数の和:305169

約数の個数: 72

約数和(自身を含む): 4989714688

約数和(自身を除く): 3349265920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 305143, 610286, 915429, 1220572, 1830858, 2136001, 2441144, 3661716, 4272002, 4882288, 6408003, 7323432, 8544004, 9764576, 12816006, 14646864, 17088008, 19529152, 25632012, 29293728, 34176016, 39058304, 51264024, 58587456, 68352032, 78116608, 102528048, 117174912, 136704064, 205056096, 234349824, 273408128, 410112192, 546816256, 820224384, 1640448768]

約数ペア:

[(1, 1640448768), (2, 820224384), (3, 546816256), (4, 410112192), (6, 273408128), (7, 234349824), (8, 205056096), (12, 136704064), (14, 117174912), (16, 102528048), (21, 78116608), (24, 68352032), (28, 58587456), (32, 51264024), (42, 39058304), (48, 34176016), (56, 29293728), (64, 25632012), (84, 19529152), (96, 17088008), (112, 14646864), (128, 12816006), (168, 9764576), (192, 8544004), (224, 7323432), (256, 6408003), (336, 4882288), (384, 4272002), (448, 3661716), (672, 2441144), (768, 2136001), (896, 1830858), (1344, 1220572), (1792, 915429), (2688, 610286), (5376, 305143)]