20763720720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28838501}}^1$

素因数の和:28838520

約数の個数: 60

約数和(自身を含む): 69731497836

約数和(自身を除く): 48967777116

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, 28838501, 57677002, 86515503, 115354004, 144192505, 173031006, 230708008, 259546509, 288385010, 346062012, 432577515, 461416016, 519093018, 576770020, 692124024, 865155030, 1038186036, 1153540040, 1297732545, 1384248048, 1730310060, 2076372072, 2307080080, 2595465090, 3460620120, 4152744144, 5190930180, 6921240240, 10381860360, 20763720720]

約数ペア:

[(1, 20763720720), (2, 10381860360), (3, 6921240240), (4, 5190930180), (5, 4152744144), (6, 3460620120), (8, 2595465090), (9, 2307080080), (10, 2076372072), (12, 1730310060), (15, 1384248048), (16, 1297732545), (18, 1153540040), (20, 1038186036), (24, 865155030), (30, 692124024), (36, 576770020), (40, 519093018), (45, 461416016), (48, 432577515), (60, 346062012), (72, 288385010), (80, 259546509), (90, 230708008), (120, 173031006), (144, 144192505), (180, 115354004), (240, 86515503), (360, 57677002), (720, 28838501)]