280755180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{519917}}^1$

素因数の和:519935

約数の個数: 48

約数和(自身を含む): 873462240

約数和(自身を除く): 592707060

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, 519917, 1039834, 1559751, 2079668, 2599585, 3119502, 4679253, 5199170, 6239004, 7798755, 9358506, 10398340, 14037759, 15597510, 18717012, 23396265, 28075518, 31195020, 46792530, 56151036, 70188795, 93585060, 140377590, 280755180]

約数ペア:

[(1, 280755180), (2, 140377590), (3, 93585060), (4, 70188795), (5, 56151036), (6, 46792530), (9, 31195020), (10, 28075518), (12, 23396265), (15, 18717012), (18, 15597510), (20, 14037759), (27, 10398340), (30, 9358506), (36, 7798755), (45, 6239004), (54, 5199170), (60, 4679253), (90, 3119502), (108, 2599585), (135, 2079668), (180, 1559751), (270, 1039834), (540, 519917)]