80280486

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31189}}^1$

素因数の和:31221

約数の個数: 48

約数和(自身を含む): 204356880

約数和(自身を除く): 124076394

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 31189, 62378, 93567, 187134, 280701, 343079, 405457, 561402, 686158, 810914, 1029237, 1216371, 2058474, 2432742, 3087711, 3649113, 4460027, 6175422, 7298226, 8920054, 13380081, 26760162, 40140243, 80280486]

約数ペア:

[(1, 80280486), (2, 40140243), (3, 26760162), (6, 13380081), (9, 8920054), (11, 7298226), (13, 6175422), (18, 4460027), (22, 3649113), (26, 3087711), (33, 2432742), (39, 2058474), (66, 1216371), (78, 1029237), (99, 810914), (117, 686158), (143, 561402), (198, 405457), (234, 343079), (286, 280701), (429, 187134), (858, 93567), (1287, 62378), (2574, 31189)]