64890120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{540751}}^1$

素因数の和:540765

約数の個数: 32

約数和(自身を含む): 194670720

約数和(自身を除く): 129780600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 540751, 1081502, 1622253, 2163004, 2703755, 3244506, 4326008, 5407510, 6489012, 8111265, 10815020, 12978024, 16222530, 21630040, 32445060, 64890120]

約数ペア:

[(1, 64890120), (2, 32445060), (3, 21630040), (4, 16222530), (5, 12978024), (6, 10815020), (8, 8111265), (10, 6489012), (12, 5407510), (15, 4326008), (20, 3244506), (24, 2703755), (30, 2163004), (40, 1622253), (60, 1081502), (120, 540751)]