1690351840

素因数分解:

$2^5\times 5^1\times {\mathrm{691}}^1\times {\mathrm{15289}}^1$

素因数の和:15995

約数の個数: 48

約数和(自身を含む): 3999497040

約数和(自身を除く): 2309145200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 691, 1382, 2764, 3455, 5528, 6910, 11056, 13820, 15289, 22112, 27640, 30578, 55280, 61156, 76445, 110560, 122312, 152890, 244624, 305780, 489248, 611560, 1223120, 2446240, 10564699, 21129398, 42258796, 52823495, 84517592, 105646990, 169035184, 211293980, 338070368, 422587960, 845175920, 1690351840]

約数ペア:

[(1, 1690351840), (2, 845175920), (4, 422587960), (5, 338070368), (8, 211293980), (10, 169035184), (16, 105646990), (20, 84517592), (32, 52823495), (40, 42258796), (80, 21129398), (160, 10564699), (691, 2446240), (1382, 1223120), (2764, 611560), (3455, 489248), (5528, 305780), (6910, 244624), (11056, 152890), (13820, 122312), (15289, 110560), (22112, 76445), (27640, 61156), (30578, 55280)]