64696660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9431}}^1$

素因数の和:9461

約数の個数: 48

約数和(自身を含む): 158457600

約数和(自身を除く): 93760940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 9431, 18862, 37724, 47155, 66017, 94310, 132034, 188620, 264068, 330085, 462119, 660170, 924238, 1320340, 1848476, 2310595, 3234833, 4621190, 6469666, 9242380, 12939332, 16174165, 32348330, 64696660]

約数ペア:

[(1, 64696660), (2, 32348330), (4, 16174165), (5, 12939332), (7, 9242380), (10, 6469666), (14, 4621190), (20, 3234833), (28, 2310595), (35, 1848476), (49, 1320340), (70, 924238), (98, 660170), (140, 462119), (196, 330085), (245, 264068), (343, 188620), (490, 132034), (686, 94310), (980, 66017), (1372, 47155), (1715, 37724), (3430, 18862), (6860, 9431)]