19745520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2837}}^1$

素因数の和:2882

約数の個数: 80

約数和(自身を含む): 63344160

約数和(自身を除く): 43598640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 2837, 3480, 5674, 6960, 8511, 11348, 14185, 17022, 22696, 28370, 34044, 42555, 45392, 56740, 68088, 82273, 85110, 113480, 136176, 164546, 170220, 226960, 246819, 329092, 340440, 411365, 493638, 658184, 680880, 822730, 987276, 1234095, 1316368, 1645460, 1974552, 2468190, 3290920, 3949104, 4936380, 6581840, 9872760, 19745520]

約数ペア:

[(1, 19745520), (2, 9872760), (3, 6581840), (4, 4936380), (5, 3949104), (6, 3290920), (8, 2468190), (10, 1974552), (12, 1645460), (15, 1316368), (16, 1234095), (20, 987276), (24, 822730), (29, 680880), (30, 658184), (40, 493638), (48, 411365), (58, 340440), (60, 329092), (80, 246819), (87, 226960), (116, 170220), (120, 164546), (145, 136176), (174, 113480), (232, 85110), (240, 82273), (290, 68088), (348, 56740), (435, 45392), (464, 42555), (580, 34044), (696, 28370), (870, 22696), (1160, 17022), (1392, 14185), (1740, 11348), (2320, 8511), (2837, 6960), (3480, 5674)]