181979360

素因数分解:

$2^5\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1291}}^1$

素因数の和:2187

約数の個数: 48

約数和(自身を含む): 430747632

約数和(自身を除く): 248768272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 881, 1291, 1762, 2582, 3524, 4405, 5164, 6455, 7048, 8810, 10328, 12910, 14096, 17620, 20656, 25820, 28192, 35240, 41312, 51640, 70480, 103280, 140960, 206560, 1137371, 2274742, 4549484, 5686855, 9098968, 11373710, 18197936, 22747420, 36395872, 45494840, 90989680, 181979360]

約数ペア:

[(1, 181979360), (2, 90989680), (4, 45494840), (5, 36395872), (8, 22747420), (10, 18197936), (16, 11373710), (20, 9098968), (32, 5686855), (40, 4549484), (80, 2274742), (160, 1137371), (881, 206560), (1291, 140960), (1762, 103280), (2582, 70480), (3524, 51640), (4405, 41312), (5164, 35240), (6455, 28192), (7048, 25820), (8810, 20656), (10328, 17620), (12910, 14096)]