81636870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3061}}^1$

素因数の和:3205

約数の個数: 64

約数和(自身を含む): 225755136

約数和(自身を除く): 144118266

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 762, 889, 1270, 1778, 1905, 2667, 3061, 3810, 4445, 5334, 6122, 8890, 9183, 13335, 15305, 18366, 21427, 26670, 30610, 42854, 45915, 64281, 91830, 107135, 128562, 214270, 321405, 388747, 642810, 777494, 1166241, 1943735, 2332482, 2721229, 3887470, 5442458, 5831205, 8163687, 11662410, 13606145, 16327374, 27212290, 40818435, 81636870]

約数ペア:

[(1, 81636870), (2, 40818435), (3, 27212290), (5, 16327374), (6, 13606145), (7, 11662410), (10, 8163687), (14, 5831205), (15, 5442458), (21, 3887470), (30, 2721229), (35, 2332482), (42, 1943735), (70, 1166241), (105, 777494), (127, 642810), (210, 388747), (254, 321405), (381, 214270), (635, 128562), (762, 107135), (889, 91830), (1270, 64281), (1778, 45915), (1905, 42854), (2667, 30610), (3061, 26670), (3810, 21427), (4445, 18366), (5334, 15305), (6122, 13335), (8890, 9183)]