28782840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239857}}^1$

素因数の和:239871

約数の個数: 32

約数和(自身を含む): 86348880

約数和(自身を除く): 57566040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239857, 479714, 719571, 959428, 1199285, 1439142, 1918856, 2398570, 2878284, 3597855, 4797140, 5756568, 7195710, 9594280, 14391420, 28782840]

約数ペア:

[(1, 28782840), (2, 14391420), (3, 9594280), (4, 7195710), (5, 5756568), (6, 4797140), (8, 3597855), (10, 2878284), (12, 2398570), (15, 1918856), (20, 1439142), (24, 1199285), (30, 959428), (40, 719571), (60, 479714), (120, 239857)]