42505980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64403}}^1$

素因数の和:64426

約数の個数: 48

約数和(自身を含む): 129838464

約数和(自身を除く): 87332484

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 64403, 128806, 193209, 257612, 322015, 386418, 644030, 708433, 772836, 966045, 1288060, 1416866, 1932090, 2125299, 2833732, 3542165, 3864180, 4250598, 7084330, 8501196, 10626495, 14168660, 21252990, 42505980]

約数ペア:

[(1, 42505980), (2, 21252990), (3, 14168660), (4, 10626495), (5, 8501196), (6, 7084330), (10, 4250598), (11, 3864180), (12, 3542165), (15, 2833732), (20, 2125299), (22, 1932090), (30, 1416866), (33, 1288060), (44, 966045), (55, 772836), (60, 708433), (66, 644030), (110, 386418), (132, 322015), (165, 257612), (220, 193209), (330, 128806), (660, 64403)]