1691868880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{8429}}^1$

素因数の和:8648

約数の個数: 80

約数和(自身を含む): 4258633680

約数和(自身を除く): 2566764800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 193, 208, 260, 386, 520, 772, 965, 1040, 1544, 1930, 2509, 3088, 3860, 5018, 7720, 8429, 10036, 12545, 15440, 16858, 20072, 25090, 33716, 40144, 42145, 50180, 67432, 84290, 100360, 109577, 134864, 168580, 200720, 219154, 337160, 438308, 547885, 674320, 876616, 1095770, 1626797, 1753232, 2191540, 3253594, 4383080, 6507188, 8133985, 8766160, 13014376, 16267970, 21148361, 26028752, 32535940, 42296722, 65071880, 84593444, 105741805, 130143760, 169186888, 211483610, 338373776, 422967220, 845934440, 1691868880]

約数ペア:

[(1, 1691868880), (2, 845934440), (4, 422967220), (5, 338373776), (8, 211483610), (10, 169186888), (13, 130143760), (16, 105741805), (20, 84593444), (26, 65071880), (40, 42296722), (52, 32535940), (65, 26028752), (80, 21148361), (104, 16267970), (130, 13014376), (193, 8766160), (208, 8133985), (260, 6507188), (386, 4383080), (520, 3253594), (772, 2191540), (965, 1753232), (1040, 1626797), (1544, 1095770), (1930, 876616), (2509, 674320), (3088, 547885), (3860, 438308), (5018, 337160), (7720, 219154), (8429, 200720), (10036, 168580), (12545, 134864), (15440, 109577), (16858, 100360), (20072, 84290), (25090, 67432), (33716, 50180), (40144, 42145)]