71158120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3761}}^1$

素因数の和:3826

約数の個数: 64

約数和(自身を含む): 178770240

約数和(自身を除く): 107612120

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, 3761, 3784, 4730, 7522, 9460, 15044, 18805, 18920, 30088, 37610, 41371, 75220, 82742, 150440, 161723, 165484, 206855, 323446, 330968, 413710, 646892, 808615, 827420, 1293784, 1617230, 1654840, 1778953, 3234460, 3557906, 6468920, 7115812, 8894765, 14231624, 17789530, 35579060, 71158120]

約数ペア:

[(1, 71158120), (2, 35579060), (4, 17789530), (5, 14231624), (8, 8894765), (10, 7115812), (11, 6468920), (20, 3557906), (22, 3234460), (40, 1778953), (43, 1654840), (44, 1617230), (55, 1293784), (86, 827420), (88, 808615), (110, 646892), (172, 413710), (215, 330968), (220, 323446), (344, 206855), (430, 165484), (440, 161723), (473, 150440), (860, 82742), (946, 75220), (1720, 41371), (1892, 37610), (2365, 30088), (3761, 18920), (3784, 18805), (4730, 15044), (7522, 9460)]