2581980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1871}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 7547904

約数和(自身を除く): 4965924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 1871, 3742, 5613, 7484, 9355, 11226, 18710, 22452, 28065, 37420, 43033, 56130, 86066, 112260, 129099, 172132, 215165, 258198, 430330, 516396, 645495, 860660, 1290990, 2581980]

約数ペア:

[(1, 2581980), (2, 1290990), (3, 860660), (4, 645495), (5, 516396), (6, 430330), (10, 258198), (12, 215165), (15, 172132), (20, 129099), (23, 112260), (30, 86066), (46, 56130), (60, 43033), (69, 37420), (92, 28065), (115, 22452), (138, 18710), (230, 11226), (276, 9355), (345, 7484), (460, 5613), (690, 3742), (1380, 1871)]