80296216

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 208373760

約数和(自身を除く): 128077544

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 37, 44, 52, 56, 74, 77, 88, 91, 104, 143, 148, 154, 182, 259, 271, 286, 296, 308, 364, 407, 481, 518, 542, 572, 616, 728, 814, 962, 1001, 1036, 1084, 1144, 1628, 1897, 1924, 2002, 2072, 2168, 2849, 2981, 3256, 3367, 3523, 3794, 3848, 4004, 5291, 5698, 5962, 6734, 7046, 7588, 8008, 10027, 10582, 11396, 11924, 13468, 14092, 15176, 20054, 20867, 21164, 22792, 23848, 24661, 26936, 28184, 37037, 38753, 40108, 41734, 42328, 49322, 70189, 74074, 77506, 80216, 83468, 98644, 110297, 130351, 140378, 148148, 155012, 166936, 197288, 220594, 260702, 271271, 280756, 296296, 310024, 441188, 521404, 542542, 561512, 772079, 882376, 912457, 1042808, 1085084, 1433861, 1544158, 1824914, 2170168, 2867722, 3088316, 3649828, 5735444, 6176632, 7299656, 10037027, 11470888, 20074054, 40148108, 80296216]

約数ペア:

[(1, 80296216), (2, 40148108), (4, 20074054), (7, 11470888), (8, 10037027), (11, 7299656), (13, 6176632), (14, 5735444), (22, 3649828), (26, 3088316), (28, 2867722), (37, 2170168), (44, 1824914), (52, 1544158), (56, 1433861), (74, 1085084), (77, 1042808), (88, 912457), (91, 882376), (104, 772079), (143, 561512), (148, 542542), (154, 521404), (182, 441188), (259, 310024), (271, 296296), (286, 280756), (296, 271271), (308, 260702), (364, 220594), (407, 197288), (481, 166936), (518, 155012), (542, 148148), (572, 140378), (616, 130351), (728, 110297), (814, 98644), (962, 83468), (1001, 80216), (1036, 77506), (1084, 74074), (1144, 70189), (1628, 49322), (1897, 42328), (1924, 41734), (2002, 40108), (2072, 38753), (2168, 37037), (2849, 28184), (2981, 26936), (3256, 24661), (3367, 23848), (3523, 22792), (3794, 21164), (3848, 20867), (4004, 20054), (5291, 15176), (5698, 14092), (5962, 13468), (6734, 11924), (7046, 11396), (7588, 10582), (8008, 10027)]