80572020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4057}}^1$

素因数の和:4400

約数の個数: 48

約数和(自身を含む): 226339008

約数和(自身を除く): 145766988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1655, 1986, 3310, 3972, 4057, 4965, 6620, 8114, 9930, 12171, 16228, 19860, 20285, 24342, 40570, 48684, 60855, 81140, 121710, 243420, 1342867, 2685734, 4028601, 5371468, 6714335, 8057202, 13428670, 16114404, 20143005, 26857340, 40286010, 80572020]

約数ペア:

[(1, 80572020), (2, 40286010), (3, 26857340), (4, 20143005), (5, 16114404), (6, 13428670), (10, 8057202), (12, 6714335), (15, 5371468), (20, 4028601), (30, 2685734), (60, 1342867), (331, 243420), (662, 121710), (993, 81140), (1324, 60855), (1655, 48684), (1986, 40570), (3310, 24342), (3972, 20285), (4057, 19860), (4965, 16228), (6620, 12171), (8114, 9930)]