261837984

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1$

素因数の和:782

約数の個数: 96

約数和(自身を含む): 716627520

約数和(自身を除く): 454789536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 163, 174, 232, 326, 348, 464, 489, 577, 652, 696, 928, 978, 1154, 1304, 1392, 1731, 1956, 2308, 2608, 2784, 3462, 3912, 4616, 4727, 5216, 6924, 7824, 9232, 9454, 13848, 14181, 15648, 16733, 18464, 18908, 27696, 28362, 33466, 37816, 50199, 55392, 56724, 66932, 75632, 94051, 100398, 113448, 133864, 151264, 188102, 200796, 226896, 267728, 282153, 376204, 401592, 453792, 535456, 564306, 752408, 803184, 1128612, 1504816, 1606368, 2257224, 2727479, 3009632, 4514448, 5454958, 8182437, 9028896, 10909916, 16364874, 21819832, 32729748, 43639664, 65459496, 87279328, 130918992, 261837984]

約数ペア:

[(1, 261837984), (2, 130918992), (3, 87279328), (4, 65459496), (6, 43639664), (8, 32729748), (12, 21819832), (16, 16364874), (24, 10909916), (29, 9028896), (32, 8182437), (48, 5454958), (58, 4514448), (87, 3009632), (96, 2727479), (116, 2257224), (163, 1606368), (174, 1504816), (232, 1128612), (326, 803184), (348, 752408), (464, 564306), (489, 535456), (577, 453792), (652, 401592), (696, 376204), (928, 282153), (978, 267728), (1154, 226896), (1304, 200796), (1392, 188102), (1731, 151264), (1956, 133864), (2308, 113448), (2608, 100398), (2784, 94051), (3462, 75632), (3912, 66932), (4616, 56724), (4727, 55392), (5216, 50199), (6924, 37816), (7824, 33466), (9232, 28362), (9454, 27696), (13848, 18908), (14181, 18464), (15648, 16733)]