217009920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1878

約数の個数: 144

約数和(自身を含む): 715825152

約数和(自身を除く): 498815232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1823, 1860, 1920, 1984, 2480, 2976, 3646, 3720, 3840, 3968, 4960, 5469, 5952, 7292, 7440, 7936, 9115, 9920, 10938, 11904, 14584, 14880, 18230, 19840, 21876, 23808, 27345, 29168, 29760, 36460, 39680, 43752, 54690, 56513, 58336, 59520, 72920, 87504, 109380, 113026, 116672, 119040, 145840, 169539, 175008, 218760, 226052, 233344, 282565, 291680, 339078, 350016, 437520, 452104, 466688, 565130, 583360, 678156, 700032, 847695, 875040, 904208, 1130260, 1166720, 1356312, 1400064, 1695390, 1750080, 1808416, 2260520, 2333440, 2712624, 3390780, 3500160, 3616832, 4521040, 5425248, 6781560, 7000320, 7233664, 9042080, 10850496, 13563120, 14467328, 18084160, 21700992, 27126240, 36168320, 43401984, 54252480, 72336640, 108504960, 217009920]

約数ペア:

[(1, 217009920), (2, 108504960), (3, 72336640), (4, 54252480), (5, 43401984), (6, 36168320), (8, 27126240), (10, 21700992), (12, 18084160), (15, 14467328), (16, 13563120), (20, 10850496), (24, 9042080), (30, 7233664), (31, 7000320), (32, 6781560), (40, 5425248), (48, 4521040), (60, 3616832), (62, 3500160), (64, 3390780), (80, 2712624), (93, 2333440), (96, 2260520), (120, 1808416), (124, 1750080), (128, 1695390), (155, 1400064), (160, 1356312), (186, 1166720), (192, 1130260), (240, 904208), (248, 875040), (256, 847695), (310, 700032), (320, 678156), (372, 583360), (384, 565130), (465, 466688), (480, 452104), (496, 437520), (620, 350016), (640, 339078), (744, 291680), (768, 282565), (930, 233344), (960, 226052), (992, 218760), (1240, 175008), (1280, 169539), (1488, 145840), (1823, 119040), (1860, 116672), (1920, 113026), (1984, 109380), (2480, 87504), (2976, 72920), (3646, 59520), (3720, 58336), (3840, 56513), (3968, 54690), (4960, 43752), (5469, 39680), (5952, 36460), (7292, 29760), (7440, 29168), (7936, 27345), (9115, 23808), (9920, 21876), (10938, 19840), (11904, 18230), (14584, 14880)]