164868880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4357}}^1$

素因数の和:4424

約数の個数: 80

約数和(自身を含む): 427990464

約数和(自身を除く): 263121584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4357, 4730, 7568, 8714, 9460, 17428, 18920, 21785, 34856, 37840, 43570, 47927, 69712, 87140, 95854, 174280, 187351, 191708, 239635, 348560, 374702, 383416, 479270, 749404, 766832, 936755, 958540, 1498808, 1873510, 1917080, 2060861, 2997616, 3747020, 3834160, 4121722, 7494040, 8243444, 10304305, 14988080, 16486888, 20608610, 32973776, 41217220, 82434440, 164868880]

約数ペア:

[(1, 164868880), (2, 82434440), (4, 41217220), (5, 32973776), (8, 20608610), (10, 16486888), (11, 14988080), (16, 10304305), (20, 8243444), (22, 7494040), (40, 4121722), (43, 3834160), (44, 3747020), (55, 2997616), (80, 2060861), (86, 1917080), (88, 1873510), (110, 1498808), (172, 958540), (176, 936755), (215, 766832), (220, 749404), (344, 479270), (430, 383416), (440, 374702), (473, 348560), (688, 239635), (860, 191708), (880, 187351), (946, 174280), (1720, 95854), (1892, 87140), (2365, 69712), (3440, 47927), (3784, 43570), (4357, 37840), (4730, 34856), (7568, 21785), (8714, 18920), (9460, 17428)]