128872016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1540

約数の個数: 80

約数和(自身を含む): 312563328

約数和(自身を除く): 183691312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 793, 854, 976, 1451, 1456, 1586, 1708, 2902, 3172, 3416, 5551, 5804, 6344, 6832, 10157, 11102, 11608, 12688, 18863, 20314, 22204, 23216, 37726, 40628, 44408, 75452, 81256, 88511, 88816, 132041, 150904, 162512, 177022, 264082, 301808, 354044, 528164, 619577, 708088, 1056328, 1150643, 1239154, 1416176, 2112656, 2301286, 2478308, 4602572, 4956616, 8054501, 9205144, 9913232, 16109002, 18410288, 32218004, 64436008, 128872016]

約数ペア:

[(1, 128872016), (2, 64436008), (4, 32218004), (7, 18410288), (8, 16109002), (13, 9913232), (14, 9205144), (16, 8054501), (26, 4956616), (28, 4602572), (52, 2478308), (56, 2301286), (61, 2112656), (91, 1416176), (104, 1239154), (112, 1150643), (122, 1056328), (182, 708088), (208, 619577), (244, 528164), (364, 354044), (427, 301808), (488, 264082), (728, 177022), (793, 162512), (854, 150904), (976, 132041), (1451, 88816), (1456, 88511), (1586, 81256), (1708, 75452), (2902, 44408), (3172, 40628), (3416, 37726), (5551, 23216), (5804, 22204), (6344, 20314), (6832, 18863), (10157, 12688), (11102, 11608)]