221796160

素因数分解:

$2^6\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1447}}^1$

素因数の和:1943

約数の個数: 56

約数和(自身を含む): 529620480

約数和(自身を除く): 307824320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 479, 958, 1447, 1916, 2395, 2894, 3832, 4790, 5788, 7235, 7664, 9580, 11576, 14470, 15328, 19160, 23152, 28940, 30656, 38320, 46304, 57880, 76640, 92608, 115760, 153280, 231520, 463040, 693113, 1386226, 2772452, 3465565, 5544904, 6931130, 11089808, 13862260, 22179616, 27724520, 44359232, 55449040, 110898080, 221796160]

約数ペア:

[(1, 221796160), (2, 110898080), (4, 55449040), (5, 44359232), (8, 27724520), (10, 22179616), (16, 13862260), (20, 11089808), (32, 6931130), (40, 5544904), (64, 3465565), (80, 2772452), (160, 1386226), (320, 693113), (479, 463040), (958, 231520), (1447, 153280), (1916, 115760), (2395, 92608), (2894, 76640), (3832, 57880), (4790, 46304), (5788, 38320), (7235, 30656), (7664, 28940), (9580, 23152), (11576, 19160), (14470, 15328)]