90720720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{126001}}^1$

素因数の和:126020

約数の個数: 60

約数和(自身を含む): 304672836

約数和(自身を除く): 213952116

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, 126001, 252002, 378003, 504004, 630005, 756006, 1008008, 1134009, 1260010, 1512012, 1890015, 2016016, 2268018, 2520020, 3024024, 3780030, 4536036, 5040040, 5670045, 6048048, 7560060, 9072072, 10080080, 11340090, 15120120, 18144144, 22680180, 30240240, 45360360, 90720720]

約数ペア:

[(1, 90720720), (2, 45360360), (3, 30240240), (4, 22680180), (5, 18144144), (6, 15120120), (8, 11340090), (9, 10080080), (10, 9072072), (12, 7560060), (15, 6048048), (16, 5670045), (18, 5040040), (20, 4536036), (24, 3780030), (30, 3024024), (36, 2520020), (40, 2268018), (45, 2016016), (48, 1890015), (60, 1512012), (72, 1260010), (80, 1134009), (90, 1008008), (120, 756006), (144, 630005), (180, 504004), (240, 378003), (360, 252002), (720, 126001)]