68487760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 106501040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 349, 440, 446, 698, 880, 892, 1115, 1396, 1745, 1784, 2230, 2453, 2792, 3490, 3568, 3839, 4460, 4906, 5584, 6980, 7678, 8920, 9812, 12265, 13960, 15356, 17840, 19195, 19624, 24530, 27920, 30712, 38390, 39248, 49060, 61424, 76780, 77827, 98120, 153560, 155654, 196240, 307120, 311308, 389135, 622616, 778270, 856097, 1245232, 1556540, 1712194, 3113080, 3424388, 4280485, 6226160, 6848776, 8560970, 13697552, 17121940, 34243880, 68487760]

約数ペア:

[(1, 68487760), (2, 34243880), (4, 17121940), (5, 13697552), (8, 8560970), (10, 6848776), (11, 6226160), (16, 4280485), (20, 3424388), (22, 3113080), (40, 1712194), (44, 1556540), (55, 1245232), (80, 856097), (88, 778270), (110, 622616), (176, 389135), (220, 311308), (223, 307120), (349, 196240), (440, 155654), (446, 153560), (698, 98120), (880, 77827), (892, 76780), (1115, 61424), (1396, 49060), (1745, 39248), (1784, 38390), (2230, 30712), (2453, 27920), (2792, 24530), (3490, 19624), (3568, 19195), (3839, 17840), (4460, 15356), (4906, 13960), (5584, 12265), (6980, 9812), (7678, 8920)]