213397020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4219}}^1$

素因数の和:4515

約数の個数: 72

約数和(自身を含む): 649761840

約数和(自身を除く): 436364820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1405, 1686, 2529, 2810, 3372, 4215, 4219, 5058, 5620, 8430, 8438, 10116, 12645, 12657, 16860, 16876, 21095, 25290, 25314, 37971, 42190, 50580, 50628, 63285, 75942, 84380, 126570, 151884, 189855, 253140, 379710, 759420, 1185539, 2371078, 3556617, 4742156, 5927695, 7113234, 10669851, 11855390, 14226468, 17783085, 21339702, 23710780, 35566170, 42679404, 53349255, 71132340, 106698510, 213397020]

約数ペア:

[(1, 213397020), (2, 106698510), (3, 71132340), (4, 53349255), (5, 42679404), (6, 35566170), (9, 23710780), (10, 21339702), (12, 17783085), (15, 14226468), (18, 11855390), (20, 10669851), (30, 7113234), (36, 5927695), (45, 4742156), (60, 3556617), (90, 2371078), (180, 1185539), (281, 759420), (562, 379710), (843, 253140), (1124, 189855), (1405, 151884), (1686, 126570), (2529, 84380), (2810, 75942), (3372, 63285), (4215, 50628), (4219, 50580), (5058, 42190), (5620, 37971), (8430, 25314), (8438, 25290), (10116, 21095), (12645, 16876), (12657, 16860)]