80736656

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 213028032

約数和(自身を除く): 132291376

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 71, 77, 88, 91, 104, 112, 142, 143, 154, 176, 182, 208, 284, 286, 308, 364, 497, 568, 572, 616, 728, 781, 923, 994, 1001, 1136, 1144, 1232, 1456, 1562, 1846, 1988, 2002, 2288, 3124, 3692, 3976, 4004, 5041, 5467, 6248, 6461, 7384, 7952, 8008, 10082, 10153, 10934, 12496, 12922, 14768, 16016, 20164, 20306, 21868, 25844, 35287, 40328, 40612, 43736, 51688, 55451, 65533, 70574, 71071, 80656, 81224, 87472, 103376, 110902, 131066, 141148, 142142, 162448, 221804, 262132, 282296, 284284, 388157, 443608, 458731, 524264, 564592, 568568, 720863, 776314, 887216, 917462, 1048528, 1137136, 1441726, 1552628, 1834924, 2883452, 3105256, 3669848, 5046041, 5766904, 6210512, 7339696, 10092082, 11533808, 20184164, 40368328, 80736656]

約数ペア:

[(1, 80736656), (2, 40368328), (4, 20184164), (7, 11533808), (8, 10092082), (11, 7339696), (13, 6210512), (14, 5766904), (16, 5046041), (22, 3669848), (26, 3105256), (28, 2883452), (44, 1834924), (52, 1552628), (56, 1441726), (71, 1137136), (77, 1048528), (88, 917462), (91, 887216), (104, 776314), (112, 720863), (142, 568568), (143, 564592), (154, 524264), (176, 458731), (182, 443608), (208, 388157), (284, 284284), (286, 282296), (308, 262132), (364, 221804), (497, 162448), (568, 142142), (572, 141148), (616, 131066), (728, 110902), (781, 103376), (923, 87472), (994, 81224), (1001, 80656), (1136, 71071), (1144, 70574), (1232, 65533), (1456, 55451), (1562, 51688), (1846, 43736), (1988, 40612), (2002, 40328), (2288, 35287), (3124, 25844), (3692, 21868), (3976, 20306), (4004, 20164), (5041, 16016), (5467, 14768), (6248, 12922), (6461, 12496), (7384, 10934), (7952, 10153), (8008, 10082)]