78218640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{108637}}^1$

素因数の和:108656

約数の個数: 60

約数和(自身を含む): 262686684

約数和(自身を除く): 184468044

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 108637, 217274, 325911, 434548, 543185, 651822, 869096, 977733, 1086370, 1303644, 1629555, 1738192, 1955466, 2172740, 2607288, 3259110, 3910932, 4345480, 4888665, 5214576, 6518220, 7821864, 8690960, 9777330, 13036440, 15643728, 19554660, 26072880, 39109320, 78218640]

約数ペア:

[(1, 78218640), (2, 39109320), (3, 26072880), (4, 19554660), (5, 15643728), (6, 13036440), (8, 9777330), (9, 8690960), (10, 7821864), (12, 6518220), (15, 5214576), (16, 4888665), (18, 4345480), (20, 3910932), (24, 3259110), (30, 2607288), (36, 2172740), (40, 1955466), (45, 1738192), (48, 1629555), (60, 1303644), (72, 1086370), (80, 977733), (90, 869096), (120, 651822), (144, 543185), (180, 434548), (240, 325911), (360, 217274), (720, 108637)]