161489168

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 340454400

約数和(自身を除く): 178965232

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 103, 109, 116, 124, 206, 218, 232, 248, 412, 436, 464, 496, 824, 872, 899, 1648, 1744, 1798, 2987, 3161, 3193, 3379, 3596, 5974, 6322, 6386, 6758, 7192, 11227, 11948, 12644, 12772, 13516, 14384, 22454, 23896, 25288, 25544, 27032, 44908, 47792, 50576, 51088, 54064, 89816, 92597, 97991, 179632, 185194, 195982, 325583, 348037, 370388, 391964, 651166, 696074, 740776, 783928, 1302332, 1392148, 1481552, 1567856, 2604664, 2784296, 5209328, 5568592, 10093073, 20186146, 40372292, 80744584, 161489168]

約数ペア:

[(1, 161489168), (2, 80744584), (4, 40372292), (8, 20186146), (16, 10093073), (29, 5568592), (31, 5209328), (58, 2784296), (62, 2604664), (103, 1567856), (109, 1481552), (116, 1392148), (124, 1302332), (206, 783928), (218, 740776), (232, 696074), (248, 651166), (412, 391964), (436, 370388), (464, 348037), (496, 325583), (824, 195982), (872, 185194), (899, 179632), (1648, 97991), (1744, 92597), (1798, 89816), (2987, 54064), (3161, 51088), (3193, 50576), (3379, 47792), (3596, 44908), (5974, 27032), (6322, 25544), (6386, 25288), (6758, 23896), (7192, 22454), (11227, 14384), (11948, 13516), (12644, 12772)]