15784010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 32845824

約数和(自身を除く): 17061814

約数列:

[1, 2, 5, 10, 11, 22, 43, 47, 55, 71, 86, 94, 110, 142, 215, 235, 355, 430, 470, 473, 517, 710, 781, 946, 1034, 1562, 2021, 2365, 2585, 3053, 3337, 3905, 4042, 4730, 5170, 6106, 6674, 7810, 10105, 15265, 16685, 20210, 22231, 30530, 33370, 33583, 36707, 44462, 67166, 73414, 111155, 143491, 167915, 183535, 222310, 286982, 335830, 367070, 717455, 1434910, 1578401, 3156802, 7892005, 15784010]

約数ペア:

[(1, 15784010), (2, 7892005), (5, 3156802), (10, 1578401), (11, 1434910), (22, 717455), (43, 367070), (47, 335830), (55, 286982), (71, 222310), (86, 183535), (94, 167915), (110, 143491), (142, 111155), (215, 73414), (235, 67166), (355, 44462), (430, 36707), (470, 33583), (473, 33370), (517, 30530), (710, 22231), (781, 20210), (946, 16685), (1034, 15265), (1562, 10105), (2021, 7810), (2365, 6674), (2585, 6106), (3053, 5170), (3337, 4730), (3905, 4042)]