64740120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{539501}}^1$

素因数の和:539515

約数の個数: 32

約数和(自身を含む): 194220720

約数和(自身を除く): 129480600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 539501, 1079002, 1618503, 2158004, 2697505, 3237006, 4316008, 5395010, 6474012, 8092515, 10790020, 12948024, 16185030, 21580040, 32370060, 64740120]

約数ペア:

[(1, 64740120), (2, 32370060), (3, 21580040), (4, 16185030), (5, 12948024), (6, 10790020), (8, 8092515), (10, 6474012), (12, 5395010), (15, 4316008), (20, 3237006), (24, 2697505), (30, 2158004), (40, 1618503), (60, 1079002), (120, 539501)]