15533320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 39061440

約数和(自身を除く): 23528120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 821, 860, 946, 1642, 1720, 1892, 2365, 3284, 3784, 4105, 4730, 6568, 8210, 9031, 9460, 16420, 18062, 18920, 32840, 35303, 36124, 45155, 70606, 72248, 90310, 141212, 176515, 180620, 282424, 353030, 361240, 388333, 706060, 776666, 1412120, 1553332, 1941665, 3106664, 3883330, 7766660, 15533320]

約数ペア:

[(1, 15533320), (2, 7766660), (4, 3883330), (5, 3106664), (8, 1941665), (10, 1553332), (11, 1412120), (20, 776666), (22, 706060), (40, 388333), (43, 361240), (44, 353030), (55, 282424), (86, 180620), (88, 176515), (110, 141212), (172, 90310), (215, 72248), (220, 70606), (344, 45155), (430, 36124), (440, 35303), (473, 32840), (821, 18920), (860, 18062), (946, 16420), (1642, 9460), (1720, 9031), (1892, 8210), (2365, 6568), (3284, 4730), (3784, 4105)]