255442880

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1523

約数の個数: 168

約数和(自身を含む): 772430256

約数和(自身を除く): 516987376

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 704, 770, 784, 880, 980, 1078, 1120, 1232, 1481, 1540, 1568, 1760, 1960, 2156, 2240, 2464, 2695, 2962, 3080, 3136, 3520, 3920, 4312, 4928, 5390, 5924, 6160, 7405, 7840, 8624, 10367, 10780, 11848, 12320, 14810, 15680, 16291, 17248, 20734, 21560, 23696, 24640, 29620, 32582, 34496, 41468, 43120, 47392, 51835, 59240, 65164, 72569, 81455, 82936, 86240, 94784, 103670, 114037, 118480, 130328, 145138, 162910, 165872, 172480, 207340, 228074, 236960, 260656, 290276, 325820, 331744, 362845, 414680, 456148, 473920, 521312, 570185, 580552, 651640, 663488, 725690, 798259, 829360, 912296, 1042624, 1140370, 1161104, 1303280, 1451380, 1596518, 1658720, 1824592, 2280740, 2322208, 2606560, 2902760, 3193036, 3317440, 3649184, 3991295, 4561480, 4644416, 5213120, 5805520, 6386072, 7298368, 7982590, 9122960, 11611040, 12772144, 15965180, 18245920, 23222080, 25544288, 31930360, 36491840, 51088576, 63860720, 127721440, 255442880]

約数ペア:

[(1, 255442880), (2, 127721440), (4, 63860720), (5, 51088576), (7, 36491840), (8, 31930360), (10, 25544288), (11, 23222080), (14, 18245920), (16, 15965180), (20, 12772144), (22, 11611040), (28, 9122960), (32, 7982590), (35, 7298368), (40, 6386072), (44, 5805520), (49, 5213120), (55, 4644416), (56, 4561480), (64, 3991295), (70, 3649184), (77, 3317440), (80, 3193036), (88, 2902760), (98, 2606560), (110, 2322208), (112, 2280740), (140, 1824592), (154, 1658720), (160, 1596518), (176, 1451380), (196, 1303280), (220, 1161104), (224, 1140370), (245, 1042624), (280, 912296), (308, 829360), (320, 798259), (352, 725690), (385, 663488), (392, 651640), (440, 580552), (448, 570185), (490, 521312), (539, 473920), (560, 456148), (616, 414680), (704, 362845), (770, 331744), (784, 325820), (880, 290276), (980, 260656), (1078, 236960), (1120, 228074), (1232, 207340), (1481, 172480), (1540, 165872), (1568, 162910), (1760, 145138), (1960, 130328), (2156, 118480), (2240, 114037), (2464, 103670), (2695, 94784), (2962, 86240), (3080, 82936), (3136, 81455), (3520, 72569), (3920, 65164), (4312, 59240), (4928, 51835), (5390, 47392), (5924, 43120), (6160, 41468), (7405, 34496), (7840, 32582), (8624, 29620), (10367, 24640), (10780, 23696), (11848, 21560), (12320, 20734), (14810, 17248), (15680, 16291)]