128839140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238591}}^1$

素因数の和:238609

約数の個数: 48

約数和(自身を含む): 400834560

約数和(自身を除く): 271995420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238591, 477182, 715773, 954364, 1192955, 1431546, 2147319, 2385910, 2863092, 3578865, 4294638, 4771820, 6441957, 7157730, 8589276, 10736595, 12883914, 14315460, 21473190, 25767828, 32209785, 42946380, 64419570, 128839140]

約数ペア:

[(1, 128839140), (2, 64419570), (3, 42946380), (4, 32209785), (5, 25767828), (6, 21473190), (9, 14315460), (10, 12883914), (12, 10736595), (15, 8589276), (18, 7157730), (20, 6441957), (27, 4771820), (30, 4294638), (36, 3578865), (45, 2863092), (54, 2385910), (60, 2147319), (90, 1431546), (108, 1192955), (135, 954364), (180, 715773), (270, 477182), (540, 238591)]