205900920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{190649}}^1$

素因数の和:190669

約数の個数: 64

約数和(自身を含む): 686340000

約数和(自身を除く): 480439080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 190649, 381298, 571947, 762596, 953245, 1143894, 1525192, 1715841, 1906490, 2287788, 2859735, 3431682, 3812980, 4575576, 5147523, 5719470, 6863364, 7625960, 8579205, 10295046, 11438940, 13726728, 17158410, 20590092, 22877880, 25737615, 34316820, 41180184, 51475230, 68633640, 102950460, 205900920]

約数ペア:

[(1, 205900920), (2, 102950460), (3, 68633640), (4, 51475230), (5, 41180184), (6, 34316820), (8, 25737615), (9, 22877880), (10, 20590092), (12, 17158410), (15, 13726728), (18, 11438940), (20, 10295046), (24, 8579205), (27, 7625960), (30, 6863364), (36, 5719470), (40, 5147523), (45, 4575576), (54, 3812980), (60, 3431682), (72, 2859735), (90, 2287788), (108, 1906490), (120, 1715841), (135, 1525192), (180, 1143894), (216, 953245), (270, 762596), (360, 571947), (540, 381298), (1080, 190649)]