121870960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89611}}^1$

素因数の和:89641

約数の個数: 40

約数和(自身を含む): 300020976

約数和(自身を除く): 178150016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 89611, 179222, 358444, 448055, 716888, 896110, 1433776, 1523387, 1792220, 3046774, 3584440, 6093548, 7168880, 7616935, 12187096, 15233870, 24374192, 30467740, 60935480, 121870960]

約数ペア:

[(1, 121870960), (2, 60935480), (4, 30467740), (5, 24374192), (8, 15233870), (10, 12187096), (16, 7616935), (17, 7168880), (20, 6093548), (34, 3584440), (40, 3046774), (68, 1792220), (80, 1523387), (85, 1433776), (136, 896110), (170, 716888), (272, 448055), (340, 358444), (680, 179222), (1360, 89611)]