205205040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285007}}^1$

素因数の和:285026

約数の個数: 60

約数和(自身を含む): 689149344

約数和(自身を除く): 483944304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 285007, 570014, 855021, 1140028, 1425035, 1710042, 2280056, 2565063, 2850070, 3420084, 4275105, 4560112, 5130126, 5700140, 6840168, 8550210, 10260252, 11400280, 12825315, 13680336, 17100420, 20520504, 22800560, 25650630, 34200840, 41041008, 51301260, 68401680, 102602520, 205205040]

約数ペア:

[(1, 205205040), (2, 102602520), (3, 68401680), (4, 51301260), (5, 41041008), (6, 34200840), (8, 25650630), (9, 22800560), (10, 20520504), (12, 17100420), (15, 13680336), (16, 12825315), (18, 11400280), (20, 10260252), (24, 8550210), (30, 6840168), (36, 5700140), (40, 5130126), (45, 4560112), (48, 4275105), (60, 3420084), (72, 2850070), (80, 2565063), (90, 2280056), (120, 1710042), (144, 1425035), (180, 1140028), (240, 855021), (360, 570014), (720, 285007)]