80816890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1019}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 183306240

約数和(自身を除く): 102489350

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 103, 110, 154, 206, 385, 515, 721, 770, 1019, 1030, 1133, 1442, 2038, 2266, 3605, 5095, 5665, 7133, 7210, 7931, 10190, 11209, 11330, 14266, 15862, 22418, 35665, 39655, 56045, 71330, 78463, 79310, 104957, 112090, 156926, 209914, 392315, 524785, 734699, 784630, 1049570, 1154527, 1469398, 2309054, 3673495, 5772635, 7346990, 8081689, 11545270, 16163378, 40408445, 80816890]

約数ペア:

[(1, 80816890), (2, 40408445), (5, 16163378), (7, 11545270), (10, 8081689), (11, 7346990), (14, 5772635), (22, 3673495), (35, 2309054), (55, 1469398), (70, 1154527), (77, 1049570), (103, 784630), (110, 734699), (154, 524785), (206, 392315), (385, 209914), (515, 156926), (721, 112090), (770, 104957), (1019, 79310), (1030, 78463), (1133, 71330), (1442, 56045), (2038, 39655), (2266, 35665), (3605, 22418), (5095, 15862), (5665, 14266), (7133, 11330), (7210, 11209), (7931, 10190)]