12241240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 30792960

約数和(自身を除く): 18551720

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, 647, 860, 946, 1294, 1720, 1892, 2365, 2588, 3235, 3784, 4730, 5176, 6470, 7117, 9460, 12940, 14234, 18920, 25880, 27821, 28468, 35585, 55642, 56936, 71170, 111284, 139105, 142340, 222568, 278210, 284680, 306031, 556420, 612062, 1112840, 1224124, 1530155, 2448248, 3060310, 6120620, 12241240]

約数ペア:

[(1, 12241240), (2, 6120620), (4, 3060310), (5, 2448248), (8, 1530155), (10, 1224124), (11, 1112840), (20, 612062), (22, 556420), (40, 306031), (43, 284680), (44, 278210), (55, 222568), (86, 142340), (88, 139105), (110, 111284), (172, 71170), (215, 56936), (220, 55642), (344, 35585), (430, 28468), (440, 27821), (473, 25880), (647, 18920), (860, 14234), (946, 12940), (1294, 9460), (1720, 7117), (1892, 6470), (2365, 5176), (2588, 4730), (3235, 3784)]