64928080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 182595456

約数和(自身を除く): 117667376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 71, 80, 92, 112, 115, 140, 142, 161, 184, 230, 280, 284, 322, 355, 368, 460, 497, 560, 568, 644, 710, 805, 920, 994, 1136, 1288, 1420, 1610, 1633, 1840, 1988, 2485, 2576, 2840, 3220, 3266, 3976, 4970, 5041, 5680, 6440, 6532, 7952, 8165, 9940, 10082, 11431, 12880, 13064, 16330, 19880, 20164, 22862, 25205, 26128, 32660, 35287, 39760, 40328, 45724, 50410, 57155, 65320, 70574, 80656, 91448, 100820, 114310, 115943, 130640, 141148, 176435, 182896, 201640, 228620, 231886, 282296, 352870, 403280, 457240, 463772, 564592, 579715, 705740, 811601, 914480, 927544, 1159430, 1411480, 1623202, 1855088, 2318860, 2822960, 3246404, 4058005, 4637720, 6492808, 8116010, 9275440, 12985616, 16232020, 32464040, 64928080]

約数ペア:

[(1, 64928080), (2, 32464040), (4, 16232020), (5, 12985616), (7, 9275440), (8, 8116010), (10, 6492808), (14, 4637720), (16, 4058005), (20, 3246404), (23, 2822960), (28, 2318860), (35, 1855088), (40, 1623202), (46, 1411480), (56, 1159430), (70, 927544), (71, 914480), (80, 811601), (92, 705740), (112, 579715), (115, 564592), (140, 463772), (142, 457240), (161, 403280), (184, 352870), (230, 282296), (280, 231886), (284, 228620), (322, 201640), (355, 182896), (368, 176435), (460, 141148), (497, 130640), (560, 115943), (568, 114310), (644, 100820), (710, 91448), (805, 80656), (920, 70574), (994, 65320), (1136, 57155), (1288, 50410), (1420, 45724), (1610, 40328), (1633, 39760), (1840, 35287), (1988, 32660), (2485, 26128), (2576, 25205), (2840, 22862), (3220, 20164), (3266, 19880), (3976, 16330), (4970, 13064), (5041, 12880), (5680, 11431), (6440, 10082), (6532, 9940), (7952, 8165)]