128609580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194863}}^1$

素因数の和:194886

約数の個数: 48

約数和(自身を含む): 392845824

約数和(自身を除く): 264236244

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 194863, 389726, 584589, 779452, 974315, 1169178, 1948630, 2143493, 2338356, 2922945, 3897260, 4286986, 5845890, 6430479, 8573972, 10717465, 11691780, 12860958, 21434930, 25721916, 32152395, 42869860, 64304790, 128609580]

約数ペア:

[(1, 128609580), (2, 64304790), (3, 42869860), (4, 32152395), (5, 25721916), (6, 21434930), (10, 12860958), (11, 11691780), (12, 10717465), (15, 8573972), (20, 6430479), (22, 5845890), (30, 4286986), (33, 3897260), (44, 2922945), (55, 2338356), (60, 2143493), (66, 1948630), (110, 1169178), (132, 974315), (165, 779452), (220, 584589), (330, 389726), (660, 194863)]