64451970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21701}}^1$

素因数の和:21728

約数の個数: 64

約数和(自身を含む): 187505280

約数和(自身を除く): 123053310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 21701, 43402, 65103, 108505, 130206, 195309, 217010, 238711, 325515, 390618, 477422, 585927, 651030, 716133, 976545, 1171854, 1193555, 1432266, 1953090, 2148399, 2387110, 2929635, 3580665, 4296798, 5859270, 6445197, 7161330, 10741995, 12890394, 21483990, 32225985, 64451970]

約数ペア:

[(1, 64451970), (2, 32225985), (3, 21483990), (5, 12890394), (6, 10741995), (9, 7161330), (10, 6445197), (11, 5859270), (15, 4296798), (18, 3580665), (22, 2929635), (27, 2387110), (30, 2148399), (33, 1953090), (45, 1432266), (54, 1193555), (55, 1171854), (66, 976545), (90, 716133), (99, 651030), (110, 585927), (135, 477422), (165, 390618), (198, 325515), (270, 238711), (297, 217010), (330, 195309), (495, 130206), (594, 108505), (990, 65103), (1485, 43402), (2970, 21701)]