69684080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 169703424

約数和(自身を除く): 100019344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 344, 376, 430, 431, 470, 688, 752, 860, 862, 940, 1720, 1724, 1880, 2021, 2155, 3440, 3448, 3760, 4042, 4310, 6896, 8084, 8620, 10105, 16168, 17240, 18533, 20210, 20257, 32336, 34480, 37066, 40420, 40514, 74132, 80840, 81028, 92665, 101285, 148264, 161680, 162056, 185330, 202570, 296528, 324112, 370660, 405140, 741320, 810280, 871051, 1482640, 1620560, 1742102, 3484204, 4355255, 6968408, 8710510, 13936816, 17421020, 34842040, 69684080]

約数ペア:

[(1, 69684080), (2, 34842040), (4, 17421020), (5, 13936816), (8, 8710510), (10, 6968408), (16, 4355255), (20, 3484204), (40, 1742102), (43, 1620560), (47, 1482640), (80, 871051), (86, 810280), (94, 741320), (172, 405140), (188, 370660), (215, 324112), (235, 296528), (344, 202570), (376, 185330), (430, 162056), (431, 161680), (470, 148264), (688, 101285), (752, 92665), (860, 81028), (862, 80840), (940, 74132), (1720, 40514), (1724, 40420), (1880, 37066), (2021, 34480), (2155, 32336), (3440, 20257), (3448, 20210), (3760, 18533), (4042, 17240), (4310, 16168), (6896, 10105), (8084, 8620)]