81297031.000000000

素因数分解:

$2^5\times 3^4\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1610

約数の個数: 120

約数和(自身を含む): 356756400

約数和(自身を除く): 239569488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 72, 81, 87, 96, 108, 116, 144, 162, 174, 216, 232, 261, 288, 324, 348, 432, 464, 522, 648, 696, 783, 864, 928, 1044, 1296, 1392, 1559, 1566, 2088, 2349, 2592, 2784, 3118, 3132, 4176, 4677, 4698, 6236, 6264, 8352, 9354, 9396, 12472, 12528, 14031, 18708, 18792, 24944, 25056, 28062, 37416, 37584, 42093, 45211, 49888, 56124, 74832, 75168, 84186, 90422, 112248, 126279, 135633, 149664, 168372, 180844, 224496, 252558, 271266, 336744, 361688, 406899, 448992, 505116, 542532, 673488, 723376, 813798, 1010232, 1085064, 1220697, 1346976, 1446752, 1627596, 2020464, 2170128, 2441394, 3255192, 3662091, 4040928, 4340256, 4882788, 6510384, 7324182, 9765576, 13020768, 14648364, 19531152, 29296728, 39062304, 58593456, 117186912]

約数ペア:

[(1, 117186912), (2, 58593456), (3, 39062304), (4, 29296728), (6, 19531152), (8, 14648364), (9, 13020768), (12, 9765576), (16, 7324182), (18, 6510384), (24, 4882788), (27, 4340256), (29, 4040928), (32, 3662091), (36, 3255192), (48, 2441394), (54, 2170128), (58, 2020464), (72, 1627596), (81, 1446752), (87, 1346976), (96, 1220697), (108, 1085064), (116, 1010232), (144, 813798), (162, 723376), (174, 673488), (216, 542532), (232, 505116), (261, 448992), (288, 406899), (324, 361688), (348, 336744), (432, 271266), (464, 252558), (522, 224496), (648, 180844), (696, 168372), (783, 149664), (864, 135633), (928, 126279), (1044, 112248), (1296, 90422), (1392, 84186), (1559, 75168), (1566, 74832), (2088, 56124), (2349, 49888), (2592, 45211), (2784, 42093), (3118, 37584), (3132, 37416), (4176, 28062), (4677, 25056), (4698, 24944), (6236, 18792), (6264, 18708), (8352, 14031), (9354, 12528), (9396, 12472)]