255027780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{202403}}^1$

素因数の和:202425

約数の個数: 72

約数和(自身を含む): 884100672

約数和(自身を除く): 629072892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 202403, 404806, 607209, 809612, 1012015, 1214418, 1416821, 1821627, 2024030, 2428836, 2833642, 3036045, 3643254, 4048060, 4250463, 5667284, 6072090, 7084105, 7286508, 8500926, 9108135, 12144180, 12751389, 14168210, 17001852, 18216270, 21252315, 25502778, 28336420, 36432540, 42504630, 51005556, 63756945, 85009260, 127513890, 255027780]

約数ペア:

[(1, 255027780), (2, 127513890), (3, 85009260), (4, 63756945), (5, 51005556), (6, 42504630), (7, 36432540), (9, 28336420), (10, 25502778), (12, 21252315), (14, 18216270), (15, 17001852), (18, 14168210), (20, 12751389), (21, 12144180), (28, 9108135), (30, 8500926), (35, 7286508), (36, 7084105), (42, 6072090), (45, 5667284), (60, 4250463), (63, 4048060), (70, 3643254), (84, 3036045), (90, 2833642), (105, 2428836), (126, 2024030), (140, 1821627), (180, 1416821), (210, 1214418), (252, 1012015), (315, 809612), (420, 607209), (630, 404806), (1260, 202403)]