69689240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 165749760

約数和(自身を除く): 96060520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1307, 1333, 1720, 2614, 2666, 5228, 5332, 6535, 6665, 10456, 10664, 13070, 13330, 26140, 26660, 40517, 52280, 53320, 56201, 81034, 112402, 162068, 202585, 224804, 281005, 324136, 405170, 449608, 562010, 810340, 1124020, 1620680, 1742231, 2248040, 3484462, 6968924, 8711155, 13937848, 17422310, 34844620, 69689240]

約数ペア:

[(1, 69689240), (2, 34844620), (4, 17422310), (5, 13937848), (8, 8711155), (10, 6968924), (20, 3484462), (31, 2248040), (40, 1742231), (43, 1620680), (62, 1124020), (86, 810340), (124, 562010), (155, 449608), (172, 405170), (215, 324136), (248, 281005), (310, 224804), (344, 202585), (430, 162068), (620, 112402), (860, 81034), (1240, 56201), (1307, 53320), (1333, 52280), (1720, 40517), (2614, 26660), (2666, 26140), (5228, 13330), (5332, 13070), (6535, 10664), (6665, 10456)]