261569887744

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{1499}}^1\times {\mathrm{30983}}^1$

素因数の和:32511

約数の個数: 80

約数和(自身を含む): 570539376000

約数和(自身を除く): 308969488256

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 1499, 2816, 2998, 5632, 5996, 11992, 16489, 23984, 30983, 32978, 47968, 61966, 65956, 95936, 123932, 131912, 191872, 247864, 263824, 340813, 383744, 495728, 527648, 681626, 767488, 991456, 1055296, 1363252, 1982912, 2110592, 2726504, 3965824, 4221184, 5453008, 7931648, 8442368, 10906016, 15863296, 21812032, 43624064, 46443517, 87248128, 92887034, 174496256, 185774068, 371548136, 510878687, 743096272, 1021757374, 1486192544, 2043514748, 2972385088, 4087029496, 5944770176, 8174058992, 11889540352, 16348117984, 23779080704, 32696235968, 65392471936, 130784943872, 261569887744]

約数ペア:

[(1, 261569887744), (2, 130784943872), (4, 65392471936), (8, 32696235968), (11, 23779080704), (16, 16348117984), (22, 11889540352), (32, 8174058992), (44, 5944770176), (64, 4087029496), (88, 2972385088), (128, 2043514748), (176, 1486192544), (256, 1021757374), (352, 743096272), (512, 510878687), (704, 371548136), (1408, 185774068), (1499, 174496256), (2816, 92887034), (2998, 87248128), (5632, 46443517), (5996, 43624064), (11992, 21812032), (16489, 15863296), (23984, 10906016), (30983, 8442368), (32978, 7931648), (47968, 5453008), (61966, 4221184), (65956, 3965824), (95936, 2726504), (123932, 2110592), (131912, 1982912), (191872, 1363252), (247864, 1055296), (263824, 991456), (340813, 767488), (383744, 681626), (495728, 527648)]