65018940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154807}}^1$

素因数の和:154826

約数の個数: 48

約数和(自身を含む): 208061952

約数和(自身を除く): 143043012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 154807, 309614, 464421, 619228, 774035, 928842, 1083649, 1548070, 1857684, 2167298, 2322105, 3096140, 3250947, 4334596, 4644210, 5418245, 6501894, 9288420, 10836490, 13003788, 16254735, 21672980, 32509470, 65018940]

約数ペア:

[(1, 65018940), (2, 32509470), (3, 21672980), (4, 16254735), (5, 13003788), (6, 10836490), (7, 9288420), (10, 6501894), (12, 5418245), (14, 4644210), (15, 4334596), (20, 3250947), (21, 3096140), (28, 2322105), (30, 2167298), (35, 1857684), (42, 1548070), (60, 1083649), (70, 928842), (84, 774035), (105, 619228), (140, 464421), (210, 309614), (420, 154807)]