156890960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115361}}^1$

素因数の和:115391

約数の個数: 40

約数和(自身を含む): 386231976

約数和(自身を除く): 229341016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 115361, 230722, 461444, 576805, 922888, 1153610, 1845776, 1961137, 2307220, 3922274, 4614440, 7844548, 9228880, 9805685, 15689096, 19611370, 31378192, 39222740, 78445480, 156890960]

約数ペア:

[(1, 156890960), (2, 78445480), (4, 39222740), (5, 31378192), (8, 19611370), (10, 15689096), (16, 9805685), (17, 9228880), (20, 7844548), (34, 4614440), (40, 3922274), (68, 2307220), (80, 1961137), (85, 1845776), (136, 1153610), (170, 922888), (272, 576805), (340, 461444), (680, 230722), (1360, 115361)]