28542840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{237857}}^1$

素因数の和:237871

約数の個数: 32

約数和(自身を含む): 85628880

約数和(自身を除く): 57086040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 237857, 475714, 713571, 951428, 1189285, 1427142, 1902856, 2378570, 2854284, 3567855, 4757140, 5708568, 7135710, 9514280, 14271420, 28542840]

約数ペア:

[(1, 28542840), (2, 14271420), (3, 9514280), (4, 7135710), (5, 5708568), (6, 4757140), (8, 3567855), (10, 2854284), (12, 2378570), (15, 1902856), (20, 1427142), (24, 1189285), (30, 951428), (40, 713571), (60, 475714), (120, 237857)]