66480920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 164505600

約数和(自身を除く): 98024680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1087, 1112, 1390, 1529, 2174, 2780, 3058, 4348, 5435, 5560, 6116, 7645, 8696, 10870, 11957, 12232, 15290, 21740, 23914, 30580, 43480, 47828, 59785, 61160, 95656, 119570, 151093, 239140, 302186, 478280, 604372, 755465, 1208744, 1510930, 1662023, 3021860, 3324046, 6043720, 6648092, 8310115, 13296184, 16620230, 33240460, 66480920]

約数ペア:

[(1, 66480920), (2, 33240460), (4, 16620230), (5, 13296184), (8, 8310115), (10, 6648092), (11, 6043720), (20, 3324046), (22, 3021860), (40, 1662023), (44, 1510930), (55, 1208744), (88, 755465), (110, 604372), (139, 478280), (220, 302186), (278, 239140), (440, 151093), (556, 119570), (695, 95656), (1087, 61160), (1112, 59785), (1390, 47828), (1529, 43480), (2174, 30580), (2780, 23914), (3058, 21740), (4348, 15290), (5435, 12232), (5560, 11957), (6116, 10870), (7645, 8696)]