81409160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1741}}^1$

素因数の和:1926

約数の個数: 64

約数和(自身を含む): 210712320

約数和(自身を除く): 129303160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1670, 1741, 2338, 3340, 3482, 4676, 5845, 6680, 6964, 8705, 9352, 11690, 12187, 13928, 17410, 23380, 24374, 34820, 46760, 48748, 60935, 69640, 97496, 121870, 243740, 290747, 487480, 581494, 1162988, 1453735, 2035229, 2325976, 2907470, 4070458, 5814940, 8140916, 10176145, 11629880, 16281832, 20352290, 40704580, 81409160]

約数ペア:

[(1, 81409160), (2, 40704580), (4, 20352290), (5, 16281832), (7, 11629880), (8, 10176145), (10, 8140916), (14, 5814940), (20, 4070458), (28, 2907470), (35, 2325976), (40, 2035229), (56, 1453735), (70, 1162988), (140, 581494), (167, 487480), (280, 290747), (334, 243740), (668, 121870), (835, 97496), (1169, 69640), (1336, 60935), (1670, 48748), (1741, 46760), (2338, 34820), (3340, 24374), (3482, 23380), (4676, 17410), (5845, 13928), (6680, 12187), (6964, 11690), (8705, 9352)]