254576280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8191}}^1$

素因数の和:8249

約数の個数: 128

約数和(自身を含む): 896532480

約数和(自身を除く): 641956200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 8191, 10360, 15540, 16382, 24573, 31080, 32764, 40955, 49146, 57337, 65528, 81910, 98292, 114674, 122865, 163820, 172011, 196584, 229348, 245730, 286685, 303067, 327640, 344022, 458696, 491460, 573370, 606134, 688044, 860055, 909201, 982920, 1146740, 1212268, 1376088, 1515335, 1720110, 1818402, 2121469, 2293480, 2424536, 3030670, 3440220, 3636804, 4242938, 4546005, 6061340, 6364407, 6880440, 7273608, 8485876, 9092010, 10607345, 12122680, 12728814, 16971752, 18184020, 21214690, 25457628, 31822035, 36368040, 42429380, 50915256, 63644070, 84858760, 127288140, 254576280]

約数ペア:

[(1, 254576280), (2, 127288140), (3, 84858760), (4, 63644070), (5, 50915256), (6, 42429380), (7, 36368040), (8, 31822035), (10, 25457628), (12, 21214690), (14, 18184020), (15, 16971752), (20, 12728814), (21, 12122680), (24, 10607345), (28, 9092010), (30, 8485876), (35, 7273608), (37, 6880440), (40, 6364407), (42, 6061340), (56, 4546005), (60, 4242938), (70, 3636804), (74, 3440220), (84, 3030670), (105, 2424536), (111, 2293480), (120, 2121469), (140, 1818402), (148, 1720110), (168, 1515335), (185, 1376088), (210, 1212268), (222, 1146740), (259, 982920), (280, 909201), (296, 860055), (370, 688044), (420, 606134), (444, 573370), (518, 491460), (555, 458696), (740, 344022), (777, 327640), (840, 303067), (888, 286685), (1036, 245730), (1110, 229348), (1295, 196584), (1480, 172011), (1554, 163820), (2072, 122865), (2220, 114674), (2590, 98292), (3108, 81910), (3885, 65528), (4440, 57337), (5180, 49146), (6216, 40955), (7770, 32764), (8191, 31080), (10360, 24573), (15540, 16382)]