1640226735

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{10477}}^1$

素因数の和:10573

約数の個数: 72

約数和(自身を含む): 3354133536

約数和(自身を除く): 1713906801

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 71, 105, 147, 213, 245, 315, 355, 441, 497, 639, 735, 1065, 1491, 2205, 2485, 3195, 3479, 4473, 7455, 10437, 10477, 17395, 22365, 31311, 31431, 52185, 52385, 73339, 94293, 156555, 157155, 220017, 366695, 471465, 513373, 660051, 743867, 1100085, 1540119, 2231601, 2566865, 3300255, 3719335, 4620357, 5207069, 6694803, 7700595, 11158005, 15621207, 23101785, 26035345, 33474015, 36449483, 46863621, 78106035, 109348449, 182247415, 234318105, 328045347, 546742245, 1640226735]

約数ペア:

[(1, 1640226735), (3, 546742245), (5, 328045347), (7, 234318105), (9, 182247415), (15, 109348449), (21, 78106035), (35, 46863621), (45, 36449483), (49, 33474015), (63, 26035345), (71, 23101785), (105, 15621207), (147, 11158005), (213, 7700595), (245, 6694803), (315, 5207069), (355, 4620357), (441, 3719335), (497, 3300255), (639, 2566865), (735, 2231601), (1065, 1540119), (1491, 1100085), (2205, 743867), (2485, 660051), (3195, 513373), (3479, 471465), (4473, 366695), (7455, 220017), (10437, 157155), (10477, 156555), (17395, 94293), (22365, 73339), (31311, 52385), (31431, 52185)]