256442040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{712339}}^1$

素因数の和:712356

約数の個数: 48

約数和(自身を含む): 833437800

約数和(自身を除く): 576995760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 712339, 1424678, 2137017, 2849356, 3561695, 4274034, 5698712, 6411051, 7123390, 8548068, 10685085, 12822102, 14246780, 17096136, 21370170, 25644204, 28493560, 32055255, 42740340, 51288408, 64110510, 85480680, 128221020, 256442040]

約数ペア:

[(1, 256442040), (2, 128221020), (3, 85480680), (4, 64110510), (5, 51288408), (6, 42740340), (8, 32055255), (9, 28493560), (10, 25644204), (12, 21370170), (15, 17096136), (18, 14246780), (20, 12822102), (24, 10685085), (30, 8548068), (36, 7123390), (40, 6411051), (45, 5698712), (60, 4274034), (72, 3561695), (90, 2849356), (120, 2137017), (180, 1424678), (360, 712339)]