15210420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{253507}}^1$

素因数の和:253519

約数の個数: 24

約数和(自身を含む): 42589344

約数和(自身を除く): 27378924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 253507, 507014, 760521, 1014028, 1267535, 1521042, 2535070, 3042084, 3802605, 5070140, 7605210, 15210420]

約数ペア:

[(1, 15210420), (2, 7605210), (3, 5070140), (4, 3802605), (5, 3042084), (6, 2535070), (10, 1521042), (12, 1267535), (15, 1014028), (20, 760521), (30, 507014), (60, 253507)]