258105518080

素因数分解:

$2^{11}\times 5^1\times {\mathrm{311}}^1\times {\mathrm{81047}}^1$

素因数の和:81385

約数の個数: 96

約数和(自身を含む): 621301000320

約数和(自身を除く): 363195482240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 311, 320, 512, 622, 640, 1024, 1244, 1280, 1555, 2048, 2488, 2560, 3110, 4976, 5120, 6220, 9952, 10240, 12440, 19904, 24880, 39808, 49760, 79616, 81047, 99520, 159232, 162094, 199040, 318464, 324188, 398080, 405235, 636928, 648376, 796160, 810470, 1296752, 1592320, 1620940, 2593504, 3184640, 3241880, 5187008, 6483760, 10374016, 12967520, 20748032, 25205617, 25935040, 41496064, 50411234, 51870080, 82992128, 100822468, 103740160, 126028085, 165984256, 201644936, 207480320, 252056170, 403289872, 414960640, 504112340, 806579744, 829921280, 1008224680, 1613159488, 2016449360, 3226318976, 4032898720, 6452637952, 8065797440, 12905275904, 16131594880, 25810551808, 32263189760, 51621103616, 64526379520, 129052759040, 258105518080]

約数ペア:

[(1, 258105518080), (2, 129052759040), (4, 64526379520), (5, 51621103616), (8, 32263189760), (10, 25810551808), (16, 16131594880), (20, 12905275904), (32, 8065797440), (40, 6452637952), (64, 4032898720), (80, 3226318976), (128, 2016449360), (160, 1613159488), (256, 1008224680), (311, 829921280), (320, 806579744), (512, 504112340), (622, 414960640), (640, 403289872), (1024, 252056170), (1244, 207480320), (1280, 201644936), (1555, 165984256), (2048, 126028085), (2488, 103740160), (2560, 100822468), (3110, 82992128), (4976, 51870080), (5120, 50411234), (6220, 41496064), (9952, 25935040), (10240, 25205617), (12440, 20748032), (19904, 12967520), (24880, 10374016), (39808, 6483760), (49760, 5187008), (79616, 3241880), (81047, 3184640), (99520, 2593504), (159232, 1620940), (162094, 1592320), (199040, 1296752), (318464, 810470), (324188, 796160), (398080, 648376), (405235, 636928)]