72669780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{403721}}^1$

素因数の和:403736

約数の個数: 36

約数和(自身を含む): 220432212

約数和(自身を除く): 147762432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 403721, 807442, 1211163, 1614884, 2018605, 2422326, 3633489, 4037210, 4844652, 6055815, 7266978, 8074420, 12111630, 14533956, 18167445, 24223260, 36334890, 72669780]

約数ペア:

[(1, 72669780), (2, 36334890), (3, 24223260), (4, 18167445), (5, 14533956), (6, 12111630), (9, 8074420), (10, 7266978), (12, 6055815), (15, 4844652), (18, 4037210), (20, 3633489), (30, 2422326), (36, 2018605), (45, 1614884), (60, 1211163), (90, 807442), (180, 403721)]