80911980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149837}}^1$

素因数の和:149855

約数の個数: 48

約数和(自身を含む): 251727840

約数和(自身を除く): 170815860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 149837, 299674, 449511, 599348, 749185, 899022, 1348533, 1498370, 1798044, 2247555, 2697066, 2996740, 4045599, 4495110, 5394132, 6742665, 8091198, 8990220, 13485330, 16182396, 20227995, 26970660, 40455990, 80911980]

約数ペア:

[(1, 80911980), (2, 40455990), (3, 26970660), (4, 20227995), (5, 16182396), (6, 13485330), (9, 8990220), (10, 8091198), (12, 6742665), (15, 5394132), (18, 4495110), (20, 4045599), (27, 2996740), (30, 2697066), (36, 2247555), (45, 1798044), (54, 1498370), (60, 1348533), (90, 899022), (108, 749185), (135, 599348), (180, 449511), (270, 299674), (540, 149837)]