1245691160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{16061}}^1$

素因数の和:16356

約数の個数: 64

約数和(自身を含む): 3214969920

約数和(自身を除く): 1969278760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 1108, 1385, 1939, 2216, 2770, 3878, 5540, 7756, 9695, 11080, 15512, 16061, 19390, 32122, 38780, 64244, 77560, 80305, 112427, 128488, 160610, 224854, 321220, 449708, 562135, 642440, 899416, 1124270, 2248540, 4448897, 4497080, 8897794, 17795588, 22244485, 31142279, 35591176, 44488970, 62284558, 88977940, 124569116, 155711395, 177955880, 249138232, 311422790, 622845580, 1245691160]

約数ペア:

[(1, 1245691160), (2, 622845580), (4, 311422790), (5, 249138232), (7, 177955880), (8, 155711395), (10, 124569116), (14, 88977940), (20, 62284558), (28, 44488970), (35, 35591176), (40, 31142279), (56, 22244485), (70, 17795588), (140, 8897794), (277, 4497080), (280, 4448897), (554, 2248540), (1108, 1124270), (1385, 899416), (1939, 642440), (2216, 562135), (2770, 449708), (3878, 321220), (5540, 224854), (7756, 160610), (9695, 128488), (11080, 112427), (15512, 80305), (16061, 77560), (19390, 64244), (32122, 38780)]