201561640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16741}}^1$

素因数の和:16802

約数の個数: 64

約数和(自身を含む): 530386560

約数和(自身を除く): 328824920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 16741, 33482, 66964, 83705, 117187, 133928, 167410, 234374, 334820, 468748, 585935, 669640, 719863, 937496, 1171870, 1439726, 2343740, 2879452, 3599315, 4687480, 5039041, 5758904, 7198630, 10078082, 14397260, 20156164, 25195205, 28794520, 40312328, 50390410, 100780820, 201561640]

約数ペア:

[(1, 201561640), (2, 100780820), (4, 50390410), (5, 40312328), (7, 28794520), (8, 25195205), (10, 20156164), (14, 14397260), (20, 10078082), (28, 7198630), (35, 5758904), (40, 5039041), (43, 4687480), (56, 3599315), (70, 2879452), (86, 2343740), (140, 1439726), (172, 1171870), (215, 937496), (280, 719863), (301, 669640), (344, 585935), (430, 468748), (602, 334820), (860, 234374), (1204, 167410), (1505, 133928), (1720, 117187), (2408, 83705), (3010, 66964), (6020, 33482), (12040, 16741)]