12157047980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1127741}}^1$

素因数の和:1127775

約数の個数: 72

約数和(自身を含む): 32397772176

約数和(自身を除く): 20240724196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 1127741, 2255482, 4510964, 5638705, 7894187, 11277410, 12405151, 15788374, 22554820, 24810302, 31576748, 39470935, 49620604, 55259309, 62025755, 78941870, 86836057, 110518618, 124051510, 157883740, 173672114, 221037236, 248103020, 276296545, 347344228, 434180285, 552593090, 607852399, 868360570, 1105186180, 1215704798, 1736721140, 2431409596, 3039261995, 6078523990, 12157047980]

約数ペア:

[(1, 12157047980), (2, 6078523990), (4, 3039261995), (5, 2431409596), (7, 1736721140), (10, 1215704798), (11, 1105186180), (14, 868360570), (20, 607852399), (22, 552593090), (28, 434180285), (35, 347344228), (44, 276296545), (49, 248103020), (55, 221037236), (70, 173672114), (77, 157883740), (98, 124051510), (110, 110518618), (140, 86836057), (154, 78941870), (196, 62025755), (220, 55259309), (245, 49620604), (308, 39470935), (385, 31576748), (490, 24810302), (539, 22554820), (770, 15788374), (980, 12405151), (1078, 11277410), (1540, 7894187), (2156, 5638705), (2695, 4510964), (5390, 2255482), (10780, 1127741)]