17157780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 52416000

約数和(自身を除く): 35258220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 479, 597, 796, 958, 995, 1194, 1437, 1791, 1916, 1990, 2388, 2395, 2874, 2985, 3582, 3980, 4311, 4790, 5748, 5970, 7164, 7185, 8622, 8955, 9580, 11940, 14370, 17244, 17910, 21555, 28740, 35820, 43110, 86220, 95321, 190642, 285963, 381284, 476605, 571926, 857889, 953210, 1143852, 1429815, 1715778, 1906420, 2859630, 3431556, 4289445, 5719260, 8578890, 17157780]

約数ペア:

[(1, 17157780), (2, 8578890), (3, 5719260), (4, 4289445), (5, 3431556), (6, 2859630), (9, 1906420), (10, 1715778), (12, 1429815), (15, 1143852), (18, 953210), (20, 857889), (30, 571926), (36, 476605), (45, 381284), (60, 285963), (90, 190642), (180, 95321), (199, 86220), (398, 43110), (479, 35820), (597, 28740), (796, 21555), (958, 17910), (995, 17244), (1194, 14370), (1437, 11940), (1791, 9580), (1916, 8955), (1990, 8622), (2388, 7185), (2395, 7164), (2874, 5970), (2985, 5748), (3582, 4790), (3980, 4311)]