72980656

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 172988928

約数和(自身を除く): 100008272

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 41, 46, 56, 82, 92, 112, 161, 164, 184, 287, 322, 328, 368, 574, 644, 656, 691, 943, 1148, 1288, 1382, 1886, 2296, 2576, 2764, 3772, 4592, 4837, 5528, 6601, 7544, 9674, 11056, 13202, 15088, 15893, 19348, 26404, 28331, 31786, 38696, 52808, 56662, 63572, 77392, 105616, 111251, 113324, 127144, 198317, 222502, 226648, 254288, 396634, 445004, 453296, 651613, 793268, 890008, 1303226, 1586536, 1780016, 2606452, 3173072, 4561291, 5212904, 9122582, 10425808, 18245164, 36490328, 72980656]

約数ペア:

[(1, 72980656), (2, 36490328), (4, 18245164), (7, 10425808), (8, 9122582), (14, 5212904), (16, 4561291), (23, 3173072), (28, 2606452), (41, 1780016), (46, 1586536), (56, 1303226), (82, 890008), (92, 793268), (112, 651613), (161, 453296), (164, 445004), (184, 396634), (287, 254288), (322, 226648), (328, 222502), (368, 198317), (574, 127144), (644, 113324), (656, 111251), (691, 105616), (943, 77392), (1148, 63572), (1288, 56662), (1382, 52808), (1886, 38696), (2296, 31786), (2576, 28331), (2764, 26404), (3772, 19348), (4592, 15893), (4837, 15088), (5528, 13202), (6601, 11056), (7544, 9674)]