81877968

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7789}}^1$

素因数の和:7876

約数の個数: 60

約数和(自身を含む): 232313380

約数和(自身を除く): 150435412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 2628, 3504, 5256, 7789, 10512, 15578, 23367, 31156, 46734, 62312, 70101, 93468, 124624, 140202, 186936, 280404, 373872, 560808, 568597, 1121616, 1137194, 1705791, 2274388, 3411582, 4548776, 5117373, 6823164, 9097552, 10234746, 13646328, 20469492, 27292656, 40938984, 81877968]

約数ペア:

[(1, 81877968), (2, 40938984), (3, 27292656), (4, 20469492), (6, 13646328), (8, 10234746), (9, 9097552), (12, 6823164), (16, 5117373), (18, 4548776), (24, 3411582), (36, 2274388), (48, 1705791), (72, 1137194), (73, 1121616), (144, 568597), (146, 560808), (219, 373872), (292, 280404), (438, 186936), (584, 140202), (657, 124624), (876, 93468), (1168, 70101), (1314, 62312), (1752, 46734), (2628, 31156), (3504, 23367), (5256, 15578), (7789, 10512)]