6666880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 17405280

約数和(自身を除く): 10738400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 947, 1408, 1760, 1894, 3520, 3788, 4735, 7040, 7576, 9470, 10417, 15152, 18940, 20834, 30304, 37880, 41668, 52085, 60608, 75760, 83336, 104170, 121216, 151520, 166672, 208340, 303040, 333344, 416680, 606080, 666688, 833360, 1333376, 1666720, 3333440, 6666880]

約数ペア:

[(1, 6666880), (2, 3333440), (4, 1666720), (5, 1333376), (8, 833360), (10, 666688), (11, 606080), (16, 416680), (20, 333344), (22, 303040), (32, 208340), (40, 166672), (44, 151520), (55, 121216), (64, 104170), (80, 83336), (88, 75760), (110, 60608), (128, 52085), (160, 41668), (176, 37880), (220, 30304), (320, 20834), (352, 18940), (440, 15152), (640, 10417), (704, 9470), (880, 7576), (947, 7040), (1408, 4735), (1760, 3788), (1894, 3520)]