640023552

素因数分解:

$2^{10}\times 3^3\times 7^1\times {\mathrm{3307}}^1$

素因数の和:3343

約数の個数: 176

約数和(自身を含む): 2166872320

約数和(自身を除く): 1526848768

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, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 504, 512, 576, 672, 756, 768, 864, 896, 1008, 1024, 1152, 1344, 1512, 1536, 1728, 1792, 2016, 2304, 2688, 3024, 3072, 3307, 3456, 3584, 4032, 4608, 5376, 6048, 6614, 6912, 7168, 8064, 9216, 9921, 10752, 12096, 13228, 13824, 16128, 19842, 21504, 23149, 24192, 26456, 27648, 29763, 32256, 39684, 46298, 48384, 52912, 59526, 64512, 69447, 79368, 89289, 92596, 96768, 105824, 119052, 138894, 158736, 178578, 185192, 193536, 208341, 211648, 238104, 277788, 317472, 357156, 370384, 416682, 423296, 476208, 555576, 625023, 634944, 714312, 740768, 833364, 846592, 952416, 1111152, 1250046, 1269888, 1428624, 1481536, 1666728, 1693184, 1904832, 2222304, 2500092, 2539776, 2857248, 2963072, 3333456, 3386368, 3809664, 4444608, 5000184, 5079552, 5714496, 5926144, 6666912, 7619328, 8889216, 10000368, 10159104, 11428992, 11852288, 13333824, 15238656, 17778432, 20000736, 22857984, 23704576, 26667648, 30477312, 35556864, 40001472, 45715968, 53335296, 71113728, 80002944, 91431936, 106670592, 160005888, 213341184, 320011776, 640023552]

約数ペア:

[(1, 640023552), (2, 320011776), (3, 213341184), (4, 160005888), (6, 106670592), (7, 91431936), (8, 80002944), (9, 71113728), (12, 53335296), (14, 45715968), (16, 40001472), (18, 35556864), (21, 30477312), (24, 26667648), (27, 23704576), (28, 22857984), (32, 20000736), (36, 17778432), (42, 15238656), (48, 13333824), (54, 11852288), (56, 11428992), (63, 10159104), (64, 10000368), (72, 8889216), (84, 7619328), (96, 6666912), (108, 5926144), (112, 5714496), (126, 5079552), (128, 5000184), (144, 4444608), (168, 3809664), (189, 3386368), (192, 3333456), (216, 2963072), (224, 2857248), (252, 2539776), (256, 2500092), (288, 2222304), (336, 1904832), (378, 1693184), (384, 1666728), (432, 1481536), (448, 1428624), (504, 1269888), (512, 1250046), (576, 1111152), (672, 952416), (756, 846592), (768, 833364), (864, 740768), (896, 714312), (1008, 634944), (1024, 625023), (1152, 555576), (1344, 476208), (1512, 423296), (1536, 416682), (1728, 370384), (1792, 357156), (2016, 317472), (2304, 277788), (2688, 238104), (3024, 211648), (3072, 208341), (3307, 193536), (3456, 185192), (3584, 178578), (4032, 158736), (4608, 138894), (5376, 119052), (6048, 105824), (6614, 96768), (6912, 92596), (7168, 89289), (8064, 79368), (9216, 69447), (9921, 64512), (10752, 59526), (12096, 52912), (13228, 48384), (13824, 46298), (16128, 39684), (19842, 32256), (21504, 29763), (23149, 27648), (24192, 26456)]