127721440

素因数分解:

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

素因数の和:1521

約数の個数: 144

約数和(自身を含む): 383174064

約数和(自身を除く): 255452624

約数列:

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

約数ペア:

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