255440400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{212867}}^1$

素因数の和:212888

約数の個数: 60

約数和(自身を含む): 818264592

約数和(自身を除く): 562824192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 212867, 425734, 638601, 851468, 1064335, 1277202, 1702936, 2128670, 2554404, 3193005, 3405872, 4257340, 5108808, 5321675, 6386010, 8514680, 10217616, 10643350, 12772020, 15965025, 17029360, 21286700, 25544040, 31930050, 42573400, 51088080, 63860100, 85146800, 127720200, 255440400]

約数ペア:

[(1, 255440400), (2, 127720200), (3, 85146800), (4, 63860100), (5, 51088080), (6, 42573400), (8, 31930050), (10, 25544040), (12, 21286700), (15, 17029360), (16, 15965025), (20, 12772020), (24, 10643350), (25, 10217616), (30, 8514680), (40, 6386010), (48, 5321675), (50, 5108808), (60, 4257340), (75, 3405872), (80, 3193005), (100, 2554404), (120, 2128670), (150, 1702936), (200, 1277202), (240, 1064335), (300, 851468), (400, 638601), (600, 425734), (1200, 212867)]