2439990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 7441920

約数和(自身を除く): 5001930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1291, 1890, 2582, 3873, 6455, 7746, 9037, 11619, 12910, 18074, 19365, 23238, 27111, 34857, 38730, 45185, 54222, 58095, 69714, 81333, 90370, 116190, 135555, 162666, 174285, 243999, 271110, 348570, 406665, 487998, 813330, 1219995, 2439990]

約数ペア:

[(1, 2439990), (2, 1219995), (3, 813330), (5, 487998), (6, 406665), (7, 348570), (9, 271110), (10, 243999), (14, 174285), (15, 162666), (18, 135555), (21, 116190), (27, 90370), (30, 81333), (35, 69714), (42, 58095), (45, 54222), (54, 45185), (63, 38730), (70, 34857), (90, 27111), (105, 23238), (126, 19365), (135, 18074), (189, 12910), (210, 11619), (270, 9037), (315, 7746), (378, 6455), (630, 3873), (945, 2582), (1291, 1890)]