728848620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{22621}}^1$

素因数の和:22815

約数の個数: 72

約数和(自身を含む): 2223290160

約数和(自身を除く): 1494441540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2685, 3222, 3580, 5370, 6444, 8055, 10740, 16110, 22621, 32220, 45242, 67863, 90484, 113105, 135726, 203589, 226210, 271452, 339315, 407178, 452420, 678630, 814356, 1017945, 1357260, 2035890, 4049159, 4071780, 8098318, 12147477, 16196636, 20245795, 24294954, 36442431, 40491590, 48589908, 60737385, 72884862, 80983180, 121474770, 145769724, 182212155, 242949540, 364424310, 728848620]

約数ペア:

[(1, 728848620), (2, 364424310), (3, 242949540), (4, 182212155), (5, 145769724), (6, 121474770), (9, 80983180), (10, 72884862), (12, 60737385), (15, 48589908), (18, 40491590), (20, 36442431), (30, 24294954), (36, 20245795), (45, 16196636), (60, 12147477), (90, 8098318), (179, 4071780), (180, 4049159), (358, 2035890), (537, 1357260), (716, 1017945), (895, 814356), (1074, 678630), (1611, 452420), (1790, 407178), (2148, 339315), (2685, 271452), (3222, 226210), (3580, 203589), (5370, 135726), (6444, 113105), (8055, 90484), (10740, 67863), (16110, 45242), (22621, 32220)]