1275892440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{5351}}^1$

素因数の和:7352

約数の個数: 64

約数和(自身を含む): 3830319360

約数和(自身を除く): 2554426920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1987, 3974, 5351, 5961, 7948, 9935, 10702, 11922, 15896, 16053, 19870, 21404, 23844, 26755, 29805, 32106, 39740, 42808, 47688, 53510, 59610, 64212, 79480, 80265, 107020, 119220, 128424, 160530, 214040, 238440, 321060, 642120, 10632437, 21264874, 31897311, 42529748, 53162185, 63794622, 85059496, 106324370, 127589244, 159486555, 212648740, 255178488, 318973110, 425297480, 637946220, 1275892440]

約数ペア:

[(1, 1275892440), (2, 637946220), (3, 425297480), (4, 318973110), (5, 255178488), (6, 212648740), (8, 159486555), (10, 127589244), (12, 106324370), (15, 85059496), (20, 63794622), (24, 53162185), (30, 42529748), (40, 31897311), (60, 21264874), (120, 10632437), (1987, 642120), (3974, 321060), (5351, 238440), (5961, 214040), (7948, 160530), (9935, 128424), (10702, 119220), (11922, 107020), (15896, 80265), (16053, 79480), (19870, 64212), (21404, 59610), (23844, 53510), (26755, 47688), (29805, 42808), (32106, 39740)]