131574520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42719}}^1$

素因数の和:42748

約数の個数: 64

約数和(自身を含む): 369100800

約数和(自身を除く): 237526280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 42719, 85438, 170876, 213595, 299033, 341752, 427190, 469909, 598066, 854380, 939818, 1196132, 1495165, 1708760, 1879636, 2349545, 2392264, 2990330, 3289363, 3759272, 4699090, 5980660, 6578726, 9398180, 11961320, 13157452, 16446815, 18796360, 26314904, 32893630, 65787260, 131574520]

約数ペア:

[(1, 131574520), (2, 65787260), (4, 32893630), (5, 26314904), (7, 18796360), (8, 16446815), (10, 13157452), (11, 11961320), (14, 9398180), (20, 6578726), (22, 5980660), (28, 4699090), (35, 3759272), (40, 3289363), (44, 2990330), (55, 2392264), (56, 2349545), (70, 1879636), (77, 1708760), (88, 1495165), (110, 1196132), (140, 939818), (154, 854380), (220, 598066), (280, 469909), (308, 427190), (385, 341752), (440, 299033), (616, 213595), (770, 170876), (1540, 85438), (3080, 42719)]