253291260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4221521}}^1$

素因数の和:4221533

約数の個数: 24

約数和(自身を含む): 709215696

約数和(自身を除く): 455924436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4221521, 8443042, 12664563, 16886084, 21107605, 25329126, 42215210, 50658252, 63322815, 84430420, 126645630, 253291260]

約数ペア:

[(1, 253291260), (2, 126645630), (3, 84430420), (4, 63322815), (5, 50658252), (6, 42215210), (10, 25329126), (12, 21107605), (15, 16886084), (20, 12664563), (30, 8443042), (60, 4221521)]