1666180840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{6761}}^1$

素因数の和:6934

約数の個数: 64

約数和(自身を含む): 3848659920

約数和(自身を除く): 2182479080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 101, 122, 202, 244, 305, 404, 488, 505, 610, 808, 1010, 1220, 2020, 2440, 4040, 6161, 6761, 12322, 13522, 24644, 27044, 30805, 33805, 49288, 54088, 61610, 67610, 123220, 135220, 246440, 270440, 412421, 682861, 824842, 1365722, 1649684, 2062105, 2731444, 3299368, 3414305, 4124210, 5462888, 6828610, 8248420, 13657220, 16496840, 27314440, 41654521, 83309042, 166618084, 208272605, 333236168, 416545210, 833090420, 1666180840]

約数ペア:

[(1, 1666180840), (2, 833090420), (4, 416545210), (5, 333236168), (8, 208272605), (10, 166618084), (20, 83309042), (40, 41654521), (61, 27314440), (101, 16496840), (122, 13657220), (202, 8248420), (244, 6828610), (305, 5462888), (404, 4124210), (488, 3414305), (505, 3299368), (610, 2731444), (808, 2062105), (1010, 1649684), (1220, 1365722), (2020, 824842), (2440, 682861), (4040, 412421), (6161, 270440), (6761, 246440), (12322, 135220), (13522, 123220), (24644, 67610), (27044, 61610), (30805, 54088), (33805, 49288)]