66181360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16883}}^1$

素因数の和:16910

約数の個数: 60

約数和(自身を含む): 179004168

約数和(自身を除く): 112822808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16883, 33766, 67532, 84415, 118181, 135064, 168830, 236362, 270128, 337660, 472724, 590905, 675320, 827267, 945448, 1181810, 1350640, 1654534, 1890896, 2363620, 3309068, 4136335, 4727240, 6618136, 8272670, 9454480, 13236272, 16545340, 33090680, 66181360]

約数ペア:

[(1, 66181360), (2, 33090680), (4, 16545340), (5, 13236272), (7, 9454480), (8, 8272670), (10, 6618136), (14, 4727240), (16, 4136335), (20, 3309068), (28, 2363620), (35, 1890896), (40, 1654534), (49, 1350640), (56, 1181810), (70, 945448), (80, 827267), (98, 675320), (112, 590905), (140, 472724), (196, 337660), (245, 270128), (280, 236362), (392, 168830), (490, 135064), (560, 118181), (784, 84415), (980, 67532), (1960, 33766), (3920, 16883)]