128529280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18257}}^1$

素因数の和:18287

約数の個数: 64

約数和(自身を含む): 335216880

約数和(自身を除く): 206687600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 18257, 36514, 73028, 91285, 146056, 182570, 200827, 292112, 365140, 401654, 584224, 730280, 803308, 1004135, 1168448, 1460560, 1606616, 2008270, 2336896, 2921120, 3213232, 4016540, 5842240, 6426464, 8033080, 11684480, 12852928, 16066160, 25705856, 32132320, 64264640, 128529280]

約数ペア:

[(1, 128529280), (2, 64264640), (4, 32132320), (5, 25705856), (8, 16066160), (10, 12852928), (11, 11684480), (16, 8033080), (20, 6426464), (22, 5842240), (32, 4016540), (40, 3213232), (44, 2921120), (55, 2336896), (64, 2008270), (80, 1606616), (88, 1460560), (110, 1168448), (128, 1004135), (160, 803308), (176, 730280), (220, 584224), (320, 401654), (352, 365140), (440, 292112), (640, 200827), (704, 182570), (880, 146056), (1408, 91285), (1760, 73028), (3520, 36514), (7040, 18257)]