163187920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{937}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 435472128

約数和(自身を除く): 272284208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 560, 622, 937, 1244, 1555, 1874, 2177, 2488, 3110, 3748, 4354, 4685, 4976, 6220, 6559, 7496, 8708, 9370, 10885, 12440, 13118, 14992, 17416, 18740, 21770, 24880, 26236, 32795, 34832, 37480, 43540, 52472, 65590, 74960, 87080, 104944, 131180, 174160, 262360, 291407, 524720, 582814, 1165628, 1457035, 2039849, 2331256, 2914070, 4079698, 4662512, 5828140, 8159396, 10199245, 11656280, 16318792, 20398490, 23312560, 32637584, 40796980, 81593960, 163187920]

約数ペア:

[(1, 163187920), (2, 81593960), (4, 40796980), (5, 32637584), (7, 23312560), (8, 20398490), (10, 16318792), (14, 11656280), (16, 10199245), (20, 8159396), (28, 5828140), (35, 4662512), (40, 4079698), (56, 2914070), (70, 2331256), (80, 2039849), (112, 1457035), (140, 1165628), (280, 582814), (311, 524720), (560, 291407), (622, 262360), (937, 174160), (1244, 131180), (1555, 104944), (1874, 87080), (2177, 74960), (2488, 65590), (3110, 52472), (3748, 43540), (4354, 37480), (4685, 34832), (4976, 32795), (6220, 26236), (6559, 24880), (7496, 21770), (8708, 18740), (9370, 17416), (10885, 14992), (12440, 13118)]