128437140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164663}}^1$

素因数の和:164688

約数の個数: 48

約数和(自身を含む): 387289728

約数和(自身を除く): 258852588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 164663, 329326, 493989, 658652, 823315, 987978, 1646630, 1975956, 2140619, 2469945, 3293260, 4281238, 4939890, 6421857, 8562476, 9879780, 10703095, 12843714, 21406190, 25687428, 32109285, 42812380, 64218570, 128437140]

約数ペア:

[(1, 128437140), (2, 64218570), (3, 42812380), (4, 32109285), (5, 25687428), (6, 21406190), (10, 12843714), (12, 10703095), (13, 9879780), (15, 8562476), (20, 6421857), (26, 4939890), (30, 4281238), (39, 3293260), (52, 2469945), (60, 2140619), (65, 1975956), (78, 1646630), (130, 987978), (156, 823315), (195, 658652), (260, 493989), (390, 329326), (780, 164663)]