56991420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{661}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 173496960

約数和(自身を除く): 116505540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 661, 958, 1322, 1437, 1916, 1983, 2395, 2644, 2874, 3305, 3966, 4311, 4790, 5748, 5949, 6610, 7185, 7932, 8622, 9580, 9915, 11898, 13220, 14370, 17244, 19830, 21555, 23796, 28740, 29745, 39660, 43110, 59490, 86220, 118980, 316619, 633238, 949857, 1266476, 1583095, 1899714, 2849571, 3166190, 3799428, 4749285, 5699142, 6332380, 9498570, 11398284, 14247855, 18997140, 28495710, 56991420]

約数ペア:

[(1, 56991420), (2, 28495710), (3, 18997140), (4, 14247855), (5, 11398284), (6, 9498570), (9, 6332380), (10, 5699142), (12, 4749285), (15, 3799428), (18, 3166190), (20, 2849571), (30, 1899714), (36, 1583095), (45, 1266476), (60, 949857), (90, 633238), (180, 316619), (479, 118980), (661, 86220), (958, 59490), (1322, 43110), (1437, 39660), (1916, 29745), (1983, 28740), (2395, 23796), (2644, 21555), (2874, 19830), (3305, 17244), (3966, 14370), (4311, 13220), (4790, 11898), (5748, 9915), (5949, 9580), (6610, 8622), (7185, 7932)]