81639648

素因数分解:

$2^5\times 3^2\times {\mathrm{257}}^1\times {\mathrm{1103}}^1$

素因数の和:1376

約数の個数: 72

約数和(自身を含む): 233277408

約数和(自身を除く): 151637760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 257, 288, 514, 771, 1028, 1103, 1542, 2056, 2206, 2313, 3084, 3309, 4112, 4412, 4626, 6168, 6618, 8224, 8824, 9252, 9927, 12336, 13236, 17648, 18504, 19854, 24672, 26472, 35296, 37008, 39708, 52944, 74016, 79416, 105888, 158832, 283471, 317664, 566942, 850413, 1133884, 1700826, 2267768, 2551239, 3401652, 4535536, 5102478, 6803304, 9071072, 10204956, 13606608, 20409912, 27213216, 40819824, 81639648]

約数ペア:

[(1, 81639648), (2, 40819824), (3, 27213216), (4, 20409912), (6, 13606608), (8, 10204956), (9, 9071072), (12, 6803304), (16, 5102478), (18, 4535536), (24, 3401652), (32, 2551239), (36, 2267768), (48, 1700826), (72, 1133884), (96, 850413), (144, 566942), (257, 317664), (288, 283471), (514, 158832), (771, 105888), (1028, 79416), (1103, 74016), (1542, 52944), (2056, 39708), (2206, 37008), (2313, 35296), (3084, 26472), (3309, 24672), (4112, 19854), (4412, 18504), (4626, 17648), (6168, 13236), (6618, 12336), (8224, 9927), (8824, 9252)]