8244540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 25251408

約数和(自身を除く): 17006868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 281, 326, 489, 562, 652, 815, 843, 978, 1124, 1405, 1467, 1630, 1686, 1956, 2445, 2529, 2810, 2934, 3260, 3372, 4215, 4890, 5058, 5620, 5868, 7335, 8430, 9780, 10116, 12645, 14670, 16860, 25290, 29340, 45803, 50580, 91606, 137409, 183212, 229015, 274818, 412227, 458030, 549636, 687045, 824454, 916060, 1374090, 1648908, 2061135, 2748180, 4122270, 8244540]

約数ペア:

[(1, 8244540), (2, 4122270), (3, 2748180), (4, 2061135), (5, 1648908), (6, 1374090), (9, 916060), (10, 824454), (12, 687045), (15, 549636), (18, 458030), (20, 412227), (30, 274818), (36, 229015), (45, 183212), (60, 137409), (90, 91606), (163, 50580), (180, 45803), (281, 29340), (326, 25290), (489, 16860), (562, 14670), (652, 12645), (815, 10116), (843, 9780), (978, 8430), (1124, 7335), (1405, 5868), (1467, 5620), (1630, 5058), (1686, 4890), (1956, 4215), (2445, 3372), (2529, 3260), (2810, 2934)]