161780432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 365601600

約数和(自身を除く): 203821168

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 139, 176, 187, 272, 278, 374, 389, 556, 748, 778, 1112, 1496, 1529, 1556, 2224, 2363, 2992, 3058, 3112, 4279, 4726, 6116, 6224, 6613, 8558, 9452, 12232, 13226, 17116, 18904, 24464, 25993, 26452, 34232, 37808, 51986, 52904, 54071, 68464, 72743, 103972, 105808, 108142, 145486, 207944, 216284, 290972, 415888, 432568, 581944, 594781, 865136, 919207, 1163888, 1189562, 1838414, 2379124, 3676828, 4758248, 7353656, 9516496, 10111277, 14707312, 20222554, 40445108, 80890216, 161780432]

約数ペア:

[(1, 161780432), (2, 80890216), (4, 40445108), (8, 20222554), (11, 14707312), (16, 10111277), (17, 9516496), (22, 7353656), (34, 4758248), (44, 3676828), (68, 2379124), (88, 1838414), (136, 1189562), (139, 1163888), (176, 919207), (187, 865136), (272, 594781), (278, 581944), (374, 432568), (389, 415888), (556, 290972), (748, 216284), (778, 207944), (1112, 145486), (1496, 108142), (1529, 105808), (1556, 103972), (2224, 72743), (2363, 68464), (2992, 54071), (3058, 52904), (3112, 51986), (4279, 37808), (4726, 34232), (6116, 26452), (6224, 25993), (6613, 24464), (8558, 18904), (9452, 17116), (12232, 13226)]