80562680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{661}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 198758880

約数和(自身を除く): 118196200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 277, 440, 554, 661, 1108, 1322, 1385, 2216, 2644, 2770, 3047, 3305, 5288, 5540, 6094, 6610, 7271, 11080, 12188, 13220, 14542, 15235, 24376, 26440, 29084, 30470, 36355, 58168, 60940, 72710, 121880, 145420, 183097, 290840, 366194, 732388, 915485, 1464776, 1830970, 2014067, 3661940, 4028134, 7323880, 8056268, 10070335, 16112536, 20140670, 40281340, 80562680]

約数ペア:

[(1, 80562680), (2, 40281340), (4, 20140670), (5, 16112536), (8, 10070335), (10, 8056268), (11, 7323880), (20, 4028134), (22, 3661940), (40, 2014067), (44, 1830970), (55, 1464776), (88, 915485), (110, 732388), (220, 366194), (277, 290840), (440, 183097), (554, 145420), (661, 121880), (1108, 72710), (1322, 60940), (1385, 58168), (2216, 36355), (2644, 30470), (2770, 29084), (3047, 26440), (3305, 24376), (5288, 15235), (5540, 14542), (6094, 13220), (6610, 12188), (7271, 11080)]