66784760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1741}}^1$

素因数の和:1896

約数の個数: 64

約数和(自身を含む): 173085120

約数和(自身を除く): 106300360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1741, 1918, 2740, 3482, 3836, 4795, 5480, 6964, 7672, 8705, 9590, 12187, 13928, 17410, 19180, 24374, 34820, 38360, 48748, 60935, 69640, 97496, 121870, 238517, 243740, 477034, 487480, 954068, 1192585, 1669619, 1908136, 2385170, 3339238, 4770340, 6678476, 8348095, 9540680, 13356952, 16696190, 33392380, 66784760]

約数ペア:

[(1, 66784760), (2, 33392380), (4, 16696190), (5, 13356952), (7, 9540680), (8, 8348095), (10, 6678476), (14, 4770340), (20, 3339238), (28, 2385170), (35, 1908136), (40, 1669619), (56, 1192585), (70, 954068), (137, 487480), (140, 477034), (274, 243740), (280, 238517), (548, 121870), (685, 97496), (959, 69640), (1096, 60935), (1370, 48748), (1741, 38360), (1918, 34820), (2740, 24374), (3482, 19180), (3836, 17410), (4795, 13928), (5480, 12187), (6964, 9590), (7672, 8705)]