638054160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2658559}}^1$

素因数の和:2658575

約数の個数: 40

約数和(自身を含む): 1977968640

約数和(自身を除く): 1339914480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2658559, 5317118, 7975677, 10634236, 13292795, 15951354, 21268472, 26585590, 31902708, 39878385, 42536944, 53171180, 63805416, 79756770, 106342360, 127610832, 159513540, 212684720, 319027080, 638054160]

約数ペア:

[(1, 638054160), (2, 319027080), (3, 212684720), (4, 159513540), (5, 127610832), (6, 106342360), (8, 79756770), (10, 63805416), (12, 53171180), (15, 42536944), (16, 39878385), (20, 31902708), (24, 26585590), (30, 21268472), (40, 15951354), (48, 13292795), (60, 10634236), (80, 7975677), (120, 5317118), (240, 2658559)]