161572180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{104917}}^1$

素因数の和:104944

約数の個数: 48

約数和(自身を含む): 423029376

約数和(自身を除く): 261457196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 104917, 209834, 419668, 524585, 734419, 1049170, 1154087, 1468838, 2098340, 2308174, 2937676, 3672095, 4616348, 5770435, 7344190, 8078609, 11540870, 14688380, 16157218, 23081740, 32314436, 40393045, 80786090, 161572180]

約数ペア:

[(1, 161572180), (2, 80786090), (4, 40393045), (5, 32314436), (7, 23081740), (10, 16157218), (11, 14688380), (14, 11540870), (20, 8078609), (22, 7344190), (28, 5770435), (35, 4616348), (44, 3672095), (55, 2937676), (70, 2308174), (77, 2098340), (110, 1468838), (140, 1154087), (154, 1049170), (220, 734419), (308, 524585), (385, 419668), (770, 209834), (1540, 104917)]