208280320

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 535691520

約数和(自身を除く): 327411200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 145, 155, 160, 181, 232, 248, 256, 290, 310, 320, 362, 464, 496, 580, 620, 640, 724, 899, 905, 928, 992, 1160, 1240, 1280, 1448, 1798, 1810, 1856, 1984, 2320, 2480, 2896, 3596, 3620, 3712, 3968, 4495, 4640, 4960, 5249, 5611, 5792, 7192, 7240, 7424, 7936, 8990, 9280, 9920, 10498, 11222, 11584, 14384, 14480, 17980, 18560, 19840, 20996, 22444, 23168, 26245, 28055, 28768, 28960, 35960, 37120, 39680, 41992, 44888, 46336, 52490, 56110, 57536, 57920, 71920, 83984, 89776, 104980, 112220, 115072, 115840, 143840, 162719, 167968, 179552, 209960, 224440, 230144, 231680, 287680, 325438, 335936, 359104, 419920, 448880, 575360, 650876, 671872, 718208, 813595, 839840, 897760, 1150720, 1301752, 1343744, 1436416, 1627190, 1679680, 1795520, 2603504, 3254380, 3359360, 3591040, 5207008, 6508760, 6718720, 7182080, 10414016, 13017520, 20828032, 26035040, 41656064, 52070080, 104140160, 208280320]

約数ペア:

[(1, 208280320), (2, 104140160), (4, 52070080), (5, 41656064), (8, 26035040), (10, 20828032), (16, 13017520), (20, 10414016), (29, 7182080), (31, 6718720), (32, 6508760), (40, 5207008), (58, 3591040), (62, 3359360), (64, 3254380), (80, 2603504), (116, 1795520), (124, 1679680), (128, 1627190), (145, 1436416), (155, 1343744), (160, 1301752), (181, 1150720), (232, 897760), (248, 839840), (256, 813595), (290, 718208), (310, 671872), (320, 650876), (362, 575360), (464, 448880), (496, 419920), (580, 359104), (620, 335936), (640, 325438), (724, 287680), (899, 231680), (905, 230144), (928, 224440), (992, 209960), (1160, 179552), (1240, 167968), (1280, 162719), (1448, 143840), (1798, 115840), (1810, 115072), (1856, 112220), (1984, 104980), (2320, 89776), (2480, 83984), (2896, 71920), (3596, 57920), (3620, 57536), (3712, 56110), (3968, 52490), (4495, 46336), (4640, 44888), (4960, 41992), (5249, 39680), (5611, 37120), (5792, 35960), (7192, 28960), (7240, 28768), (7424, 28055), (7936, 26245), (8990, 23168), (9280, 22444), (9920, 20996), (10498, 19840), (11222, 18560), (11584, 17980), (14384, 14480)]