1617802020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{8987789}}^1$

素因数の和:8987804

約数の個数: 36

約数和(自身を含む): 4907333340

約数和(自身を除く): 3289531320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 8987789, 17975578, 26963367, 35951156, 44938945, 53926734, 80890101, 89877890, 107853468, 134816835, 161780202, 179755780, 269633670, 323560404, 404450505, 539267340, 808901010, 1617802020]

約数ペア:

[(1, 1617802020), (2, 808901010), (3, 539267340), (4, 404450505), (5, 323560404), (6, 269633670), (9, 179755780), (10, 161780202), (12, 134816835), (15, 107853468), (18, 89877890), (20, 80890101), (30, 53926734), (36, 44938945), (45, 35951156), (60, 26963367), (90, 17975578), (180, 8987789)]