1998540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{3701}}^1$

素因数の和:3719

約数の個数: 48

約数和(自身を含む): 6219360

約数和(自身を除く): 4220820

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, 3701, 7402, 11103, 14804, 18505, 22206, 33309, 37010, 44412, 55515, 66618, 74020, 99927, 111030, 133236, 166545, 199854, 222060, 333090, 399708, 499635, 666180, 999270, 1998540]

約数ペア:

[(1, 1998540), (2, 999270), (3, 666180), (4, 499635), (5, 399708), (6, 333090), (9, 222060), (10, 199854), (12, 166545), (15, 133236), (18, 111030), (20, 99927), (27, 74020), (30, 66618), (36, 55515), (45, 44412), (54, 37010), (60, 33309), (90, 22206), (108, 18505), (135, 14804), (180, 11103), (270, 7402), (540, 3701)]