218554880

素因数分解:

$2^9\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1447}}^1$

素因数の和:1529

約数の個数: 80

約数和(自身を含む): 533269440

約数和(自身を除く): 314714560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 512, 590, 640, 944, 1180, 1280, 1447, 1888, 2360, 2560, 2894, 3776, 4720, 5788, 7235, 7552, 9440, 11576, 14470, 15104, 18880, 23152, 28940, 30208, 37760, 46304, 57880, 75520, 85373, 92608, 115760, 151040, 170746, 185216, 231520, 341492, 370432, 426865, 463040, 682984, 740864, 853730, 926080, 1365968, 1707460, 1852160, 2731936, 3414920, 3704320, 5463872, 6829840, 10927744, 13659680, 21855488, 27319360, 43710976, 54638720, 109277440, 218554880]

約数ペア:

[(1, 218554880), (2, 109277440), (4, 54638720), (5, 43710976), (8, 27319360), (10, 21855488), (16, 13659680), (20, 10927744), (32, 6829840), (40, 5463872), (59, 3704320), (64, 3414920), (80, 2731936), (118, 1852160), (128, 1707460), (160, 1365968), (236, 926080), (256, 853730), (295, 740864), (320, 682984), (472, 463040), (512, 426865), (590, 370432), (640, 341492), (944, 231520), (1180, 185216), (1280, 170746), (1447, 151040), (1888, 115760), (2360, 92608), (2560, 85373), (2894, 75520), (3776, 57880), (4720, 46304), (5788, 37760), (7235, 30208), (7552, 28940), (9440, 23152), (11576, 18880), (14470, 15104)]