81231552

素因数分解:

$2^6\times 3^3\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1671

約数の個数: 112

約数和(自身を含む): 247192800

約数和(自身を除く): 165961248

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, 1621, 1728, 1856, 2088, 2784, 3132, 3242, 4176, 4863, 5568, 6264, 6484, 8352, 9726, 12528, 12968, 14589, 16704, 19452, 25056, 25936, 29178, 38904, 43767, 47009, 50112, 51872, 58356, 77808, 87534, 94018, 103744, 116712, 141027, 155616, 175068, 188036, 233424, 282054, 311232, 350136, 376072, 423081, 466848, 564108, 700272, 752144, 846162, 933696, 1128216, 1269243, 1400544, 1504288, 1692324, 2256432, 2538486, 2801088, 3008576, 3384648, 4512864, 5076972, 6769296, 9025728, 10153944, 13538592, 20307888, 27077184, 40615776, 81231552]

約数ペア:

[(1, 81231552), (2, 40615776), (3, 27077184), (4, 20307888), (6, 13538592), (8, 10153944), (9, 9025728), (12, 6769296), (16, 5076972), (18, 4512864), (24, 3384648), (27, 3008576), (29, 2801088), (32, 2538486), (36, 2256432), (48, 1692324), (54, 1504288), (58, 1400544), (64, 1269243), (72, 1128216), (87, 933696), (96, 846162), (108, 752144), (116, 700272), (144, 564108), (174, 466848), (192, 423081), (216, 376072), (232, 350136), (261, 311232), (288, 282054), (348, 233424), (432, 188036), (464, 175068), (522, 155616), (576, 141027), (696, 116712), (783, 103744), (864, 94018), (928, 87534), (1044, 77808), (1392, 58356), (1566, 51872), (1621, 50112), (1728, 47009), (1856, 43767), (2088, 38904), (2784, 29178), (3132, 25936), (3242, 25056), (4176, 19452), (4863, 16704), (5568, 14589), (6264, 12968), (6484, 12528), (8352, 9726)]