1640784660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{27346411}}^1$

素因数の和:27346423

約数の個数: 24

約数和(自身を含む): 4594197216

約数和(自身を除く): 2953412556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 27346411, 54692822, 82039233, 109385644, 136732055, 164078466, 273464110, 328156932, 410196165, 546928220, 820392330, 1640784660]

約数ペア:

[(1, 1640784660), (2, 820392330), (3, 546928220), (4, 410196165), (5, 328156932), (6, 273464110), (10, 164078466), (12, 136732055), (15, 109385644), (20, 82039233), (30, 54692822), (60, 27346411)]