1389138840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{3858719}}^1$

素因数の和:3858736

約数の個数: 48

約数和(自身を含む): 4514702400

約数和(自身を除く): 3125563560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 3858719, 7717438, 11576157, 15434876, 19293595, 23152314, 30869752, 34728471, 38587190, 46304628, 57880785, 69456942, 77174380, 92609256, 115761570, 138913884, 154348760, 173642355, 231523140, 277827768, 347284710, 463046280, 694569420, 1389138840]

約数ペア:

[(1, 1389138840), (2, 694569420), (3, 463046280), (4, 347284710), (5, 277827768), (6, 231523140), (8, 173642355), (9, 154348760), (10, 138913884), (12, 115761570), (15, 92609256), (18, 77174380), (20, 69456942), (24, 57880785), (30, 46304628), (36, 38587190), (40, 34728471), (45, 30869752), (60, 23152314), (72, 19293595), (90, 15434876), (120, 11576157), (180, 7717438), (360, 3858719)]