210725120

素因数分解:

$2^8\times 5^1\times {\mathrm{193}}^1\times {\mathrm{853}}^1$

素因数の和:1067

約数の個数: 72

約数和(自身を含む): 507962616

約数和(自身を除く): 297237496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 256, 320, 386, 640, 772, 853, 965, 1280, 1544, 1706, 1930, 3088, 3412, 3860, 4265, 6176, 6824, 7720, 8530, 12352, 13648, 15440, 17060, 24704, 27296, 30880, 34120, 49408, 54592, 61760, 68240, 109184, 123520, 136480, 164629, 218368, 247040, 272960, 329258, 545920, 658516, 823145, 1091840, 1317032, 1646290, 2634064, 3292580, 5268128, 6585160, 10536256, 13170320, 21072512, 26340640, 42145024, 52681280, 105362560, 210725120]

約数ペア:

[(1, 210725120), (2, 105362560), (4, 52681280), (5, 42145024), (8, 26340640), (10, 21072512), (16, 13170320), (20, 10536256), (32, 6585160), (40, 5268128), (64, 3292580), (80, 2634064), (128, 1646290), (160, 1317032), (193, 1091840), (256, 823145), (320, 658516), (386, 545920), (640, 329258), (772, 272960), (853, 247040), (965, 218368), (1280, 164629), (1544, 136480), (1706, 123520), (1930, 109184), (3088, 68240), (3412, 61760), (3860, 54592), (4265, 49408), (6176, 34120), (6824, 30880), (7720, 27296), (8530, 24704), (12352, 17060), (13648, 15440)]