68996840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 170449920

約数和(自身を除く): 101453080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 382, 440, 764, 821, 955, 1528, 1642, 1910, 2101, 3284, 3820, 4105, 4202, 6568, 7640, 8210, 8404, 9031, 10505, 16420, 16808, 18062, 21010, 32840, 36124, 42020, 45155, 72248, 84040, 90310, 156811, 180620, 313622, 361240, 627244, 784055, 1254488, 1568110, 1724921, 3136220, 3449842, 6272440, 6899684, 8624605, 13799368, 17249210, 34498420, 68996840]

約数ペア:

[(1, 68996840), (2, 34498420), (4, 17249210), (5, 13799368), (8, 8624605), (10, 6899684), (11, 6272440), (20, 3449842), (22, 3136220), (40, 1724921), (44, 1568110), (55, 1254488), (88, 784055), (110, 627244), (191, 361240), (220, 313622), (382, 180620), (440, 156811), (764, 90310), (821, 84040), (955, 72248), (1528, 45155), (1642, 42020), (1910, 36124), (2101, 32840), (3284, 21010), (3820, 18062), (4105, 16808), (4202, 16420), (6568, 10505), (7640, 9031), (8210, 8404)]