1639980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{3037}}^1$

素因数の和:3055

約数の個数: 48

約数和(自身を含む): 5103840

約数和(自身を除く): 3463860

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, 3037, 6074, 9111, 12148, 15185, 18222, 27333, 30370, 36444, 45555, 54666, 60740, 81999, 91110, 109332, 136665, 163998, 182220, 273330, 327996, 409995, 546660, 819990, 1639980]

約数ペア:

[(1, 1639980), (2, 819990), (3, 546660), (4, 409995), (5, 327996), (6, 273330), (9, 182220), (10, 163998), (12, 136665), (15, 109332), (18, 91110), (20, 81999), (27, 60740), (30, 54666), (36, 45555), (45, 36444), (54, 30370), (60, 27333), (90, 18222), (108, 15185), (135, 12148), (180, 9111), (270, 6074), (540, 3037)]