261461664

素因数分解:

$2^5\times 3^2\times {\mathrm{613}}^1\times {\mathrm{1481}}^1$

素因数の和:2110

約数の個数: 72

約数和(自身を含む): 745247412

約数和(自身を除く): 483785748

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 613, 1226, 1481, 1839, 2452, 2962, 3678, 4443, 4904, 5517, 5924, 7356, 8886, 9808, 11034, 11848, 13329, 14712, 17772, 19616, 22068, 23696, 26658, 29424, 35544, 44136, 47392, 53316, 58848, 71088, 88272, 106632, 142176, 176544, 213264, 426528, 907853, 1815706, 2723559, 3631412, 5447118, 7262824, 8170677, 10894236, 14525648, 16341354, 21788472, 29051296, 32682708, 43576944, 65365416, 87153888, 130730832, 261461664]

約数ペア:

[(1, 261461664), (2, 130730832), (3, 87153888), (4, 65365416), (6, 43576944), (8, 32682708), (9, 29051296), (12, 21788472), (16, 16341354), (18, 14525648), (24, 10894236), (32, 8170677), (36, 7262824), (48, 5447118), (72, 3631412), (96, 2723559), (144, 1815706), (288, 907853), (613, 426528), (1226, 213264), (1481, 176544), (1839, 142176), (2452, 106632), (2962, 88272), (3678, 71088), (4443, 58848), (4904, 53316), (5517, 47392), (5924, 44136), (7356, 35544), (8886, 29424), (9808, 26658), (11034, 23696), (11848, 22068), (13329, 19616), (14712, 17772)]