2151420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 6289920

約数和(自身を除く): 4138500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 1559, 3118, 4677, 6236, 7795, 9354, 15590, 18708, 23385, 31180, 35857, 46770, 71714, 93540, 107571, 143428, 179285, 215142, 358570, 430284, 537855, 717140, 1075710, 2151420]

約数ペア:

[(1, 2151420), (2, 1075710), (3, 717140), (4, 537855), (5, 430284), (6, 358570), (10, 215142), (12, 179285), (15, 143428), (20, 107571), (23, 93540), (30, 71714), (46, 46770), (60, 35857), (69, 31180), (92, 23385), (115, 18708), (138, 15590), (230, 9354), (276, 7795), (345, 6236), (460, 4677), (690, 3118), (1380, 1559)]