81767840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6637}}^1$

素因数の和:6670

約数の個数: 96

約数和(自身を含む): 240879744

約数和(自身を除く): 159111904

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 6637, 12320, 13274, 26548, 33185, 46459, 53096, 66370, 73007, 92918, 106192, 132740, 146014, 185836, 212384, 232295, 265480, 292028, 365035, 371672, 464590, 511049, 530960, 584056, 730070, 743344, 929180, 1022098, 1061920, 1168112, 1460140, 1486688, 1858360, 2044196, 2336224, 2555245, 2920280, 3716720, 4088392, 5110490, 5840560, 7433440, 8176784, 10220980, 11681120, 16353568, 20441960, 40883920, 81767840]

約数ペア:

[(1, 81767840), (2, 40883920), (4, 20441960), (5, 16353568), (7, 11681120), (8, 10220980), (10, 8176784), (11, 7433440), (14, 5840560), (16, 5110490), (20, 4088392), (22, 3716720), (28, 2920280), (32, 2555245), (35, 2336224), (40, 2044196), (44, 1858360), (55, 1486688), (56, 1460140), (70, 1168112), (77, 1061920), (80, 1022098), (88, 929180), (110, 743344), (112, 730070), (140, 584056), (154, 530960), (160, 511049), (176, 464590), (220, 371672), (224, 365035), (280, 292028), (308, 265480), (352, 232295), (385, 212384), (440, 185836), (560, 146014), (616, 132740), (770, 106192), (880, 92918), (1120, 73007), (1232, 66370), (1540, 53096), (1760, 46459), (2464, 33185), (3080, 26548), (6160, 13274), (6637, 12320)]