72687670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 148925952

約数和(自身を除く): 76238282

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 71, 82, 110, 142, 205, 227, 355, 410, 451, 454, 710, 781, 902, 1135, 1562, 2255, 2270, 2497, 2911, 3905, 4510, 4994, 5822, 7810, 9307, 12485, 14555, 16117, 18614, 24970, 29110, 32021, 32234, 46535, 64042, 80585, 93070, 102377, 160105, 161170, 177287, 204754, 320210, 354574, 511885, 660797, 886435, 1023770, 1321594, 1772870, 3303985, 6607970, 7268767, 14537534, 36343835, 72687670]

約数ペア:

[(1, 72687670), (2, 36343835), (5, 14537534), (10, 7268767), (11, 6607970), (22, 3303985), (41, 1772870), (55, 1321594), (71, 1023770), (82, 886435), (110, 660797), (142, 511885), (205, 354574), (227, 320210), (355, 204754), (410, 177287), (451, 161170), (454, 160105), (710, 102377), (781, 93070), (902, 80585), (1135, 64042), (1562, 46535), (2255, 32234), (2270, 32021), (2497, 29110), (2911, 24970), (3905, 18614), (4510, 16117), (4994, 14555), (5822, 12485), (7810, 9307)]