64673560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230977}}^1$

素因数の和:230995

約数の個数: 32

約数和(自身を含む): 166304160

約数和(自身を除く): 101630600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230977, 461954, 923908, 1154885, 1616839, 1847816, 2309770, 3233678, 4619540, 6467356, 8084195, 9239080, 12934712, 16168390, 32336780, 64673560]

約数ペア:

[(1, 64673560), (2, 32336780), (4, 16168390), (5, 12934712), (7, 9239080), (8, 8084195), (10, 6467356), (14, 4619540), (20, 3233678), (28, 2309770), (35, 1847816), (40, 1616839), (56, 1154885), (70, 923908), (140, 461954), (280, 230977)]