80211420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{445619}}^1$

素因数の和:445634

約数の個数: 36

約数和(自身を含む): 243308520

約数和(自身を除く): 163097100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 445619, 891238, 1336857, 1782476, 2228095, 2673714, 4010571, 4456190, 5347428, 6684285, 8021142, 8912380, 13368570, 16042284, 20052855, 26737140, 40105710, 80211420]

約数ペア:

[(1, 80211420), (2, 40105710), (3, 26737140), (4, 20052855), (5, 16042284), (6, 13368570), (9, 8912380), (10, 8021142), (12, 6684285), (15, 5347428), (18, 4456190), (20, 4010571), (30, 2673714), (36, 2228095), (45, 1782476), (60, 1336857), (90, 891238), (180, 445619)]