80508680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1061}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 207982080

約数和(自身を除く): 127473400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1061, 1084, 1355, 1897, 2122, 2168, 2710, 3794, 4244, 5305, 5420, 7427, 7588, 8488, 9485, 10610, 10840, 14854, 15176, 18970, 21220, 29708, 37135, 37940, 42440, 59416, 74270, 75880, 148540, 287531, 297080, 575062, 1150124, 1437655, 2012717, 2300248, 2875310, 4025434, 5750620, 8050868, 10063585, 11501240, 16101736, 20127170, 40254340, 80508680]

約数ペア:

[(1, 80508680), (2, 40254340), (4, 20127170), (5, 16101736), (7, 11501240), (8, 10063585), (10, 8050868), (14, 5750620), (20, 4025434), (28, 2875310), (35, 2300248), (40, 2012717), (56, 1437655), (70, 1150124), (140, 575062), (271, 297080), (280, 287531), (542, 148540), (1061, 75880), (1084, 74270), (1355, 59416), (1897, 42440), (2122, 37940), (2168, 37135), (2710, 29708), (3794, 21220), (4244, 18970), (5305, 15176), (5420, 14854), (7427, 10840), (7588, 10610), (8488, 9485)]