51786180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{287701}}^1$

素因数の和:287716

約数の個数: 36

約数和(自身を含む): 157085292

約数和(自身を除く): 105299112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 287701, 575402, 863103, 1150804, 1438505, 1726206, 2589309, 2877010, 3452412, 4315515, 5178618, 5754020, 8631030, 10357236, 12946545, 17262060, 25893090, 51786180]

約数ペア:

[(1, 51786180), (2, 25893090), (3, 17262060), (4, 12946545), (5, 10357236), (6, 8631030), (9, 5754020), (10, 5178618), (12, 4315515), (15, 3452412), (18, 2877010), (20, 2589309), (30, 1726206), (36, 1438505), (45, 1150804), (60, 863103), (90, 575402), (180, 287701)]