220105980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1222811}}^1$

素因数の和:1222826

約数の個数: 36

約数和(自身を含む): 667655352

約数和(自身を除く): 447549372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1222811, 2445622, 3668433, 4891244, 6114055, 7336866, 11005299, 12228110, 14673732, 18342165, 22010598, 24456220, 36684330, 44021196, 55026495, 73368660, 110052990, 220105980]

約数ペア:

[(1, 220105980), (2, 110052990), (3, 73368660), (4, 55026495), (5, 44021196), (6, 36684330), (9, 24456220), (10, 22010598), (12, 18342165), (15, 14673732), (18, 12228110), (20, 11005299), (30, 7336866), (36, 6114055), (45, 4891244), (60, 3668433), (90, 2445622), (180, 1222811)]