66201080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3499}}^1$

素因数の和:3564

約数の個数: 64

約数和(自身を含む): 166320000

約数和(自身を除く): 100118920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3499, 3784, 4730, 6998, 9460, 13996, 17495, 18920, 27992, 34990, 38489, 69980, 76978, 139960, 150457, 153956, 192445, 300914, 307912, 384890, 601828, 752285, 769780, 1203656, 1504570, 1539560, 1655027, 3009140, 3310054, 6018280, 6620108, 8275135, 13240216, 16550270, 33100540, 66201080]

約数ペア:

[(1, 66201080), (2, 33100540), (4, 16550270), (5, 13240216), (8, 8275135), (10, 6620108), (11, 6018280), (20, 3310054), (22, 3009140), (40, 1655027), (43, 1539560), (44, 1504570), (55, 1203656), (86, 769780), (88, 752285), (110, 601828), (172, 384890), (215, 307912), (220, 300914), (344, 192445), (430, 153956), (440, 150457), (473, 139960), (860, 76978), (946, 69980), (1720, 38489), (1892, 34990), (2365, 27992), (3499, 18920), (3784, 17495), (4730, 13996), (6998, 9460)]