67326820

素因数分解:

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

素因数の和:721

約数の個数: 72

約数和(自身を含む): 159268032

約数和(自身を除く): 91941212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 647, 860, 946, 1210, 1294, 1892, 2365, 2420, 2588, 3235, 4730, 5203, 6470, 7117, 9460, 10406, 12940, 14234, 20812, 26015, 27821, 28468, 35585, 52030, 55642, 71170, 78287, 104060, 111284, 139105, 142340, 156574, 278210, 306031, 313148, 391435, 556420, 612062, 782870, 1224124, 1530155, 1565740, 3060310, 3366341, 6120620, 6732682, 13465364, 16831705, 33663410, 67326820]

約数ペア:

[(1, 67326820), (2, 33663410), (4, 16831705), (5, 13465364), (10, 6732682), (11, 6120620), (20, 3366341), (22, 3060310), (43, 1565740), (44, 1530155), (55, 1224124), (86, 782870), (110, 612062), (121, 556420), (172, 391435), (215, 313148), (220, 306031), (242, 278210), (430, 156574), (473, 142340), (484, 139105), (605, 111284), (647, 104060), (860, 78287), (946, 71170), (1210, 55642), (1294, 52030), (1892, 35585), (2365, 28468), (2420, 27821), (2588, 26015), (3235, 20812), (4730, 14234), (5203, 12940), (6470, 10406), (7117, 9460)]