137728120

素因数分解:

$2^3\times 5^1\times {\mathrm{1499}}^1\times {\mathrm{2297}}^1$

素因数の和:3807

約数の個数: 32

約数和(自身を含む): 310230000

約数和(自身を除く): 172501880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1499, 2297, 2998, 4594, 5996, 7495, 9188, 11485, 11992, 14990, 18376, 22970, 29980, 45940, 59960, 91880, 3443203, 6886406, 13772812, 17216015, 27545624, 34432030, 68864060, 137728120]

約数ペア:

[(1, 137728120), (2, 68864060), (4, 34432030), (5, 27545624), (8, 17216015), (10, 13772812), (20, 6886406), (40, 3443203), (1499, 91880), (2297, 59960), (2998, 45940), (4594, 29980), (5996, 22970), (7495, 18376), (9188, 14990), (11485, 11992)]