1278540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7103}}^1$

素因数の和:7118

約数の個数: 36

約数和(自身を含む): 3878784

約数和(自身を除く): 2600244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7103, 14206, 21309, 28412, 35515, 42618, 63927, 71030, 85236, 106545, 127854, 142060, 213090, 255708, 319635, 426180, 639270, 1278540]

約数ペア:

[(1, 1278540), (2, 639270), (3, 426180), (4, 319635), (5, 255708), (6, 213090), (9, 142060), (10, 127854), (12, 106545), (15, 85236), (18, 71030), (20, 63927), (30, 42618), (36, 35515), (45, 28412), (60, 21309), (90, 14206), (180, 7103)]