1287903420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7155019}}^1$

素因数の和:7155034

約数の個数: 36

約数和(自身を含む): 3906640920

約数和(自身を除く): 2618737500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7155019, 14310038, 21465057, 28620076, 35775095, 42930114, 64395171, 71550190, 85860228, 107325285, 128790342, 143100380, 214650570, 257580684, 321975855, 429301140, 643951710, 1287903420]

約数ペア:

[(1, 1287903420), (2, 643951710), (3, 429301140), (4, 321975855), (5, 257580684), (6, 214650570), (9, 143100380), (10, 128790342), (12, 107325285), (15, 85860228), (18, 71550190), (20, 64395171), (30, 42930114), (36, 35775095), (45, 28620076), (60, 21465057), (90, 14310038), (180, 7155019)]