81787728

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{811}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 231985152

約数和(自身を除く): 150197424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 191, 264, 382, 528, 573, 764, 811, 1146, 1528, 1622, 2101, 2292, 2433, 3056, 3244, 4202, 4584, 4866, 6303, 6488, 8404, 8921, 9168, 9732, 12606, 12976, 16808, 17842, 19464, 25212, 26763, 33616, 35684, 38928, 50424, 53526, 71368, 100848, 107052, 142736, 154901, 214104, 309802, 428208, 464703, 619604, 929406, 1239208, 1703911, 1858812, 2478416, 3407822, 3717624, 5111733, 6815644, 7435248, 10223466, 13631288, 20446932, 27262576, 40893864, 81787728]

約数ペア:

[(1, 81787728), (2, 40893864), (3, 27262576), (4, 20446932), (6, 13631288), (8, 10223466), (11, 7435248), (12, 6815644), (16, 5111733), (22, 3717624), (24, 3407822), (33, 2478416), (44, 1858812), (48, 1703911), (66, 1239208), (88, 929406), (132, 619604), (176, 464703), (191, 428208), (264, 309802), (382, 214104), (528, 154901), (573, 142736), (764, 107052), (811, 100848), (1146, 71368), (1528, 53526), (1622, 50424), (2101, 38928), (2292, 35684), (2433, 33616), (3056, 26763), (3244, 25212), (4202, 19464), (4584, 17842), (4866, 16808), (6303, 12976), (6488, 12606), (8404, 9732), (8921, 9168)]