2538840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{21157}}^1$

素因数の和:21171

約数の個数: 32

約数和(自身を含む): 7616880

約数和(自身を除く): 5078040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 21157, 42314, 63471, 84628, 105785, 126942, 169256, 211570, 253884, 317355, 423140, 507768, 634710, 846280, 1269420, 2538840]

約数ペア:

[(1, 2538840), (2, 1269420), (3, 846280), (4, 634710), (5, 507768), (6, 423140), (8, 317355), (10, 253884), (12, 211570), (15, 169256), (20, 126942), (24, 105785), (30, 84628), (40, 63471), (60, 42314), (120, 21157)]