205956540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{381401}}^1$

素因数の和:381419

約数の個数: 48

約数和(自身を含む): 640755360

約数和(自身を除く): 434798820

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, 381401, 762802, 1144203, 1525604, 1907005, 2288406, 3432609, 3814010, 4576812, 5721015, 6865218, 7628020, 10297827, 11442030, 13730436, 17163045, 20595654, 22884060, 34326090, 41191308, 51489135, 68652180, 102978270, 205956540]

約数ペア:

[(1, 205956540), (2, 102978270), (3, 68652180), (4, 51489135), (5, 41191308), (6, 34326090), (9, 22884060), (10, 20595654), (12, 17163045), (15, 13730436), (18, 11442030), (20, 10297827), (27, 7628020), (30, 6865218), (36, 5721015), (45, 4576812), (54, 3814010), (60, 3432609), (90, 2288406), (108, 1907005), (135, 1525604), (180, 1144203), (270, 762802), (540, 381401)]