1890771720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{15756431}}^1$

素因数の和:15756445

約数の個数: 32

約数和(自身を含む): 5672315520

約数和(自身を除く): 3781543800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 15756431, 31512862, 47269293, 63025724, 78782155, 94538586, 126051448, 157564310, 189077172, 236346465, 315128620, 378154344, 472692930, 630257240, 945385860, 1890771720]

約数ペア:

[(1, 1890771720), (2, 945385860), (3, 630257240), (4, 472692930), (5, 378154344), (6, 315128620), (8, 236346465), (10, 189077172), (12, 157564310), (15, 126051448), (20, 94538586), (24, 78782155), (30, 63025724), (40, 47269293), (60, 31512862), (120, 15756431)]