82499880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{687499}}^1$

素因数の和:687513

約数の個数: 32

約数和(自身を含む): 247500000

約数和(自身を除く): 165000120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 687499, 1374998, 2062497, 2749996, 3437495, 4124994, 5499992, 6874990, 8249988, 10312485, 13749980, 16499976, 20624970, 27499960, 41249940, 82499880]

約数ペア:

[(1, 82499880), (2, 41249940), (3, 27499960), (4, 20624970), (5, 16499976), (6, 13749980), (8, 10312485), (10, 8249988), (12, 6874990), (15, 5499992), (20, 4124994), (24, 3437495), (30, 2749996), (40, 2062497), (60, 1374998), (120, 687499)]