205651980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{380837}}^1$

素因数の和:380855

約数の個数: 48

約数和(自身を含む): 639807840

約数和(自身を除く): 434155860

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, 380837, 761674, 1142511, 1523348, 1904185, 2285022, 3427533, 3808370, 4570044, 5712555, 6855066, 7616740, 10282599, 11425110, 13710132, 17137665, 20565198, 22850220, 34275330, 41130396, 51412995, 68550660, 102825990, 205651980]

約数ペア:

[(1, 205651980), (2, 102825990), (3, 68550660), (4, 51412995), (5, 41130396), (6, 34275330), (9, 22850220), (10, 20565198), (12, 17137665), (15, 13710132), (18, 11425110), (20, 10282599), (27, 7616740), (30, 6855066), (36, 5712555), (45, 4570044), (54, 3808370), (60, 3427533), (90, 2285022), (108, 1904185), (135, 1523348), (180, 1142511), (270, 761674), (540, 380837)]