1668486520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{2707}}^1$

素因数の和:3548

約数の個数: 64

約数和(自身を含む): 3958012800

約数和(自身を除く): 2289526280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 811, 1622, 2707, 3244, 4055, 5414, 6488, 8110, 10828, 13535, 15409, 16220, 21656, 27070, 30818, 32440, 51433, 54140, 61636, 77045, 102866, 108280, 123272, 154090, 205732, 257165, 308180, 411464, 514330, 616360, 1028660, 2057320, 2195377, 4390754, 8781508, 10976885, 17563016, 21953770, 41712163, 43907540, 83424326, 87815080, 166848652, 208560815, 333697304, 417121630, 834243260, 1668486520]

約数ペア:

[(1, 1668486520), (2, 834243260), (4, 417121630), (5, 333697304), (8, 208560815), (10, 166848652), (19, 87815080), (20, 83424326), (38, 43907540), (40, 41712163), (76, 21953770), (95, 17563016), (152, 10976885), (190, 8781508), (380, 4390754), (760, 2195377), (811, 2057320), (1622, 1028660), (2707, 616360), (3244, 514330), (4055, 411464), (5414, 308180), (6488, 257165), (8110, 205732), (10828, 154090), (13535, 123272), (15409, 108280), (16220, 102866), (21656, 77045), (27070, 61636), (30818, 54140), (32440, 51433)]