210728080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2741}}^1$

素因数の和:2816

約数の個数: 60

約数和(自身を含む): 506441916

約数和(自身を除く): 295713836

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 2741, 3844, 4805, 5482, 7688, 9610, 10964, 13705, 15376, 19220, 21928, 27410, 38440, 43856, 54820, 76880, 84971, 109640, 169942, 219280, 339884, 424855, 679768, 849710, 1359536, 1699420, 2634101, 3398840, 5268202, 6797680, 10536404, 13170505, 21072808, 26341010, 42145616, 52682020, 105364040, 210728080]

約数ペア:

[(1, 210728080), (2, 105364040), (4, 52682020), (5, 42145616), (8, 26341010), (10, 21072808), (16, 13170505), (20, 10536404), (31, 6797680), (40, 5268202), (62, 3398840), (80, 2634101), (124, 1699420), (155, 1359536), (248, 849710), (310, 679768), (496, 424855), (620, 339884), (961, 219280), (1240, 169942), (1922, 109640), (2480, 84971), (2741, 76880), (3844, 54820), (4805, 43856), (5482, 38440), (7688, 27410), (9610, 21928), (10964, 19220), (13705, 15376)]