81131328

素因数分解:

$2^6\times 3^3\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1669

約数の個数: 112

約数和(自身を含む): 246888000

約数和(自身を除く): 165756672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 87, 96, 108, 116, 144, 174, 192, 216, 232, 261, 288, 348, 432, 464, 522, 576, 696, 783, 864, 928, 1044, 1392, 1566, 1619, 1728, 1856, 2088, 2784, 3132, 3238, 4176, 4857, 5568, 6264, 6476, 8352, 9714, 12528, 12952, 14571, 16704, 19428, 25056, 25904, 29142, 38856, 43713, 46951, 50112, 51808, 58284, 77712, 87426, 93902, 103616, 116568, 140853, 155424, 174852, 187804, 233136, 281706, 310848, 349704, 375608, 422559, 466272, 563412, 699408, 751216, 845118, 932544, 1126824, 1267677, 1398816, 1502432, 1690236, 2253648, 2535354, 2797632, 3004864, 3380472, 4507296, 5070708, 6760944, 9014592, 10141416, 13521888, 20282832, 27043776, 40565664, 81131328]

約数ペア:

[(1, 81131328), (2, 40565664), (3, 27043776), (4, 20282832), (6, 13521888), (8, 10141416), (9, 9014592), (12, 6760944), (16, 5070708), (18, 4507296), (24, 3380472), (27, 3004864), (29, 2797632), (32, 2535354), (36, 2253648), (48, 1690236), (54, 1502432), (58, 1398816), (64, 1267677), (72, 1126824), (87, 932544), (96, 845118), (108, 751216), (116, 699408), (144, 563412), (174, 466272), (192, 422559), (216, 375608), (232, 349704), (261, 310848), (288, 281706), (348, 233136), (432, 187804), (464, 174852), (522, 155424), (576, 140853), (696, 116568), (783, 103616), (864, 93902), (928, 87426), (1044, 77712), (1392, 58284), (1566, 51808), (1619, 50112), (1728, 46951), (1856, 43713), (2088, 38856), (2784, 29142), (3132, 25904), (3238, 25056), (4176, 19428), (4857, 16704), (5568, 14571), (6264, 12952), (6476, 12528), (8352, 9714)]