80416140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191467}}^1$

素因数の和:191486

約数の個数: 48

約数和(自身を含む): 257332992

約数和(自身を除く): 176916852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191467, 382934, 574401, 765868, 957335, 1148802, 1340269, 1914670, 2297604, 2680538, 2872005, 3829340, 4020807, 5361076, 5744010, 6701345, 8041614, 11488020, 13402690, 16083228, 20104035, 26805380, 40208070, 80416140]

約数ペア:

[(1, 80416140), (2, 40208070), (3, 26805380), (4, 20104035), (5, 16083228), (6, 13402690), (7, 11488020), (10, 8041614), (12, 6701345), (14, 5744010), (15, 5361076), (20, 4020807), (21, 3829340), (28, 2872005), (30, 2680538), (35, 2297604), (42, 1914670), (60, 1340269), (70, 1148802), (84, 957335), (105, 765868), (140, 574401), (210, 382934), (420, 191467)]