85405760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1324

約数の個数: 112

約数和(自身を含む): 233720640

約数和(自身を除く): 148314880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 704, 760, 836, 880, 1045, 1216, 1277, 1520, 1672, 1760, 2090, 2554, 3040, 3344, 3520, 4180, 5108, 6080, 6385, 6688, 8360, 10216, 12770, 13376, 14047, 16720, 20432, 24263, 25540, 28094, 33440, 40864, 48526, 51080, 56188, 66880, 70235, 81728, 97052, 102160, 112376, 121315, 140470, 194104, 204320, 224752, 242630, 266893, 280940, 388208, 408640, 449504, 485260, 533786, 561880, 776416, 899008, 970520, 1067572, 1123760, 1334465, 1552832, 1941040, 2135144, 2247520, 2668930, 3882080, 4270288, 4495040, 5337860, 7764160, 8540576, 10675720, 17081152, 21351440, 42702880, 85405760]

約数ペア:

[(1, 85405760), (2, 42702880), (4, 21351440), (5, 17081152), (8, 10675720), (10, 8540576), (11, 7764160), (16, 5337860), (19, 4495040), (20, 4270288), (22, 3882080), (32, 2668930), (38, 2247520), (40, 2135144), (44, 1941040), (55, 1552832), (64, 1334465), (76, 1123760), (80, 1067572), (88, 970520), (95, 899008), (110, 776416), (152, 561880), (160, 533786), (176, 485260), (190, 449504), (209, 408640), (220, 388208), (304, 280940), (320, 266893), (352, 242630), (380, 224752), (418, 204320), (440, 194104), (608, 140470), (704, 121315), (760, 112376), (836, 102160), (880, 97052), (1045, 81728), (1216, 70235), (1277, 66880), (1520, 56188), (1672, 51080), (1760, 48526), (2090, 40864), (2554, 33440), (3040, 28094), (3344, 25540), (3520, 24263), (4180, 20432), (5108, 16720), (6080, 14047), (6385, 13376), (6688, 12770), (8360, 10216)]