68907520

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2447}}^1$

素因数の和:2481

約数の個数: 80

約数和(自身を含む): 180309888

約数和(自身を除く): 111402368

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, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2447, 2560, 2816, 3520, 4894, 5632, 7040, 9788, 12235, 14080, 19576, 24470, 26917, 28160, 39152, 48940, 53834, 78304, 97880, 107668, 134585, 156608, 195760, 215336, 269170, 313216, 391520, 430672, 538340, 626432, 783040, 861344, 1076680, 1252864, 1566080, 1722688, 2153360, 3132160, 3445376, 4306720, 6264320, 6890752, 8613440, 13781504, 17226880, 34453760, 68907520]

約数ペア:

[(1, 68907520), (2, 34453760), (4, 17226880), (5, 13781504), (8, 8613440), (10, 6890752), (11, 6264320), (16, 4306720), (20, 3445376), (22, 3132160), (32, 2153360), (40, 1722688), (44, 1566080), (55, 1252864), (64, 1076680), (80, 861344), (88, 783040), (110, 626432), (128, 538340), (160, 430672), (176, 391520), (220, 313216), (256, 269170), (320, 215336), (352, 195760), (440, 156608), (512, 134585), (640, 107668), (704, 97880), (880, 78304), (1280, 53834), (1408, 48940), (1760, 39152), (2447, 28160), (2560, 26917), (2816, 24470), (3520, 19576), (4894, 14080), (5632, 12235), (7040, 9788)]