1288661360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{32411}}^1$

素因数の和:32502

約数の個数: 80

約数和(自身を含む): 3472492032

約数和(自身を除く): 2183830672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 32411, 39760, 64822, 129644, 162055, 226877, 259288, 324110, 453754, 518576, 648220, 907508, 1134385, 1296440, 1815016, 2268770, 2301181, 2592880, 3630032, 4537540, 4602362, 9075080, 9204724, 11505905, 16108267, 18150160, 18409448, 23011810, 32216534, 36818896, 46023620, 64433068, 80541335, 92047240, 128866136, 161082670, 184094480, 257732272, 322165340, 644330680, 1288661360]

約数ペア:

[(1, 1288661360), (2, 644330680), (4, 322165340), (5, 257732272), (7, 184094480), (8, 161082670), (10, 128866136), (14, 92047240), (16, 80541335), (20, 64433068), (28, 46023620), (35, 36818896), (40, 32216534), (56, 23011810), (70, 18409448), (71, 18150160), (80, 16108267), (112, 11505905), (140, 9204724), (142, 9075080), (280, 4602362), (284, 4537540), (355, 3630032), (497, 2592880), (560, 2301181), (568, 2268770), (710, 1815016), (994, 1296440), (1136, 1134385), (1420, 907508), (1988, 648220), (2485, 518576), (2840, 453754), (3976, 324110), (4970, 259288), (5680, 226877), (7952, 162055), (9940, 129644), (19880, 64822), (32411, 39760)]