205695180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{380917}}^1$

素因数の和:380935

約数の個数: 48

約数和(自身を含む): 639942240

約数和(自身を除く): 434247060

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, 380917, 761834, 1142751, 1523668, 1904585, 2285502, 3428253, 3809170, 4571004, 5713755, 6856506, 7618340, 10284759, 11427510, 13713012, 17141265, 20569518, 22855020, 34282530, 41139036, 51423795, 68565060, 102847590, 205695180]

約数ペア:

[(1, 205695180), (2, 102847590), (3, 68565060), (4, 51423795), (5, 41139036), (6, 34282530), (9, 22855020), (10, 20569518), (12, 17141265), (15, 13713012), (18, 11427510), (20, 10284759), (27, 7618340), (30, 6856506), (36, 5713755), (45, 4571004), (54, 3809170), (60, 3428253), (90, 2285502), (108, 1904585), (135, 1523668), (180, 1142751), (270, 761834), (540, 380917)]