161875216

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 339978240

約数和(自身を除く): 178103024

約数列:

[1, 2, 4, 8, 16, 29, 41, 58, 67, 82, 116, 127, 134, 164, 232, 254, 268, 328, 464, 508, 536, 656, 1016, 1072, 1189, 1943, 2032, 2378, 2747, 3683, 3886, 4756, 5207, 5494, 7366, 7772, 8509, 9512, 10414, 10988, 14732, 15544, 17018, 19024, 20828, 21976, 29464, 31088, 34036, 41656, 43952, 58928, 68072, 79663, 83312, 136144, 151003, 159326, 246761, 302006, 318652, 348869, 493522, 604012, 637304, 697738, 987044, 1208024, 1274608, 1395476, 1974088, 2416048, 2790952, 3948176, 5581904, 10117201, 20234402, 40468804, 80937608, 161875216]

約数ペア:

[(1, 161875216), (2, 80937608), (4, 40468804), (8, 20234402), (16, 10117201), (29, 5581904), (41, 3948176), (58, 2790952), (67, 2416048), (82, 1974088), (116, 1395476), (127, 1274608), (134, 1208024), (164, 987044), (232, 697738), (254, 637304), (268, 604012), (328, 493522), (464, 348869), (508, 318652), (536, 302006), (656, 246761), (1016, 159326), (1072, 151003), (1189, 136144), (1943, 83312), (2032, 79663), (2378, 68072), (2747, 58928), (3683, 43952), (3886, 41656), (4756, 34036), (5207, 31088), (5494, 29464), (7366, 21976), (7772, 20828), (8509, 19024), (9512, 17018), (10414, 15544), (10988, 14732)]