81364380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79769}}^1$

素因数の和:79798

約数の個数: 48

約数和(自身を含む): 241224480

約数和(自身を除く): 159860100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79769, 159538, 239307, 319076, 398845, 478614, 797690, 957228, 1196535, 1356073, 1595380, 2393070, 2712146, 4068219, 4786140, 5424292, 6780365, 8136438, 13560730, 16272876, 20341095, 27121460, 40682190, 81364380]

約数ペア:

[(1, 81364380), (2, 40682190), (3, 27121460), (4, 20341095), (5, 16272876), (6, 13560730), (10, 8136438), (12, 6780365), (15, 5424292), (17, 4786140), (20, 4068219), (30, 2712146), (34, 2393070), (51, 1595380), (60, 1356073), (68, 1196535), (85, 957228), (102, 797690), (170, 478614), (204, 398845), (255, 319076), (340, 239307), (510, 159538), (1020, 79769)]