81040872

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1223}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 222082560

約数和(自身を除く): 141041688

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 251, 264, 502, 753, 1004, 1223, 1506, 2008, 2446, 2761, 3012, 3669, 4892, 5522, 6024, 7338, 8283, 9784, 11044, 13453, 14676, 16566, 22088, 26906, 29352, 33132, 40359, 53812, 66264, 80718, 107624, 161436, 306973, 322872, 613946, 920919, 1227892, 1841838, 2455784, 3376703, 3683676, 6753406, 7367352, 10130109, 13506812, 20260218, 27013624, 40520436, 81040872]

約数ペア:

[(1, 81040872), (2, 40520436), (3, 27013624), (4, 20260218), (6, 13506812), (8, 10130109), (11, 7367352), (12, 6753406), (22, 3683676), (24, 3376703), (33, 2455784), (44, 1841838), (66, 1227892), (88, 920919), (132, 613946), (251, 322872), (264, 306973), (502, 161436), (753, 107624), (1004, 80718), (1223, 66264), (1506, 53812), (2008, 40359), (2446, 33132), (2761, 29352), (3012, 26906), (3669, 22088), (4892, 16566), (5522, 14676), (6024, 13453), (7338, 11044), (8283, 9784)]