1072980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2005

約数の個数: 48

約数和(自身を含む): 3339840

約数和(自身を除く): 2266860

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, 1987, 3974, 5961, 7948, 9935, 11922, 17883, 19870, 23844, 29805, 35766, 39740, 53649, 59610, 71532, 89415, 107298, 119220, 178830, 214596, 268245, 357660, 536490, 1072980]

約数ペア:

[(1, 1072980), (2, 536490), (3, 357660), (4, 268245), (5, 214596), (6, 178830), (9, 119220), (10, 107298), (12, 89415), (15, 71532), (18, 59610), (20, 53649), (27, 39740), (30, 35766), (36, 29805), (45, 23844), (54, 19870), (60, 17883), (90, 11922), (108, 9935), (135, 7948), (180, 5961), (270, 3974), (540, 1987)]