55278540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307103}}^1$

素因数の和:307118

約数の個数: 36

約数和(自身を含む): 167678784

約数和(自身を除く): 112400244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307103, 614206, 921309, 1228412, 1535515, 1842618, 2763927, 3071030, 3685236, 4606545, 5527854, 6142060, 9213090, 11055708, 13819635, 18426180, 27639270, 55278540]

約数ペア:

[(1, 55278540), (2, 27639270), (3, 18426180), (4, 13819635), (5, 11055708), (6, 9213090), (9, 6142060), (10, 5527854), (12, 4606545), (15, 3685236), (18, 3071030), (20, 2763927), (30, 1842618), (36, 1535515), (45, 1228412), (60, 921309), (90, 614206), (180, 307103)]