28227120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 88015200

約数和(自身を除く): 59788080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 337, 349, 674, 698, 1011, 1047, 1348, 1396, 1685, 1745, 2022, 2094, 2696, 2792, 3370, 3490, 4044, 4188, 5055, 5235, 5392, 5584, 6740, 6980, 8088, 8376, 10110, 10470, 13480, 13960, 16176, 16752, 20220, 20940, 26960, 27920, 40440, 41880, 80880, 83760, 117613, 235226, 352839, 470452, 588065, 705678, 940904, 1176130, 1411356, 1764195, 1881808, 2352260, 2822712, 3528390, 4704520, 5645424, 7056780, 9409040, 14113560, 28227120]

約数ペア:

[(1, 28227120), (2, 14113560), (3, 9409040), (4, 7056780), (5, 5645424), (6, 4704520), (8, 3528390), (10, 2822712), (12, 2352260), (15, 1881808), (16, 1764195), (20, 1411356), (24, 1176130), (30, 940904), (40, 705678), (48, 588065), (60, 470452), (80, 352839), (120, 235226), (240, 117613), (337, 83760), (349, 80880), (674, 41880), (698, 40440), (1011, 27920), (1047, 26960), (1348, 20940), (1396, 20220), (1685, 16752), (1745, 16176), (2022, 13960), (2094, 13480), (2696, 10470), (2792, 10110), (3370, 8376), (3490, 8088), (4044, 6980), (4188, 6740), (5055, 5584), (5235, 5392)]