66569960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 93097240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 223, 340, 439, 446, 680, 878, 892, 1115, 1756, 1784, 2195, 2230, 3512, 3791, 4390, 4460, 7463, 7582, 8780, 8920, 14926, 15164, 17560, 18955, 29852, 30328, 37315, 37910, 59704, 74630, 75820, 97897, 149260, 151640, 195794, 298520, 391588, 489485, 783176, 978970, 1664249, 1957940, 3328498, 3915880, 6656996, 8321245, 13313992, 16642490, 33284980, 66569960]

約数ペア:

[(1, 66569960), (2, 33284980), (4, 16642490), (5, 13313992), (8, 8321245), (10, 6656996), (17, 3915880), (20, 3328498), (34, 1957940), (40, 1664249), (68, 978970), (85, 783176), (136, 489485), (170, 391588), (223, 298520), (340, 195794), (439, 151640), (446, 149260), (680, 97897), (878, 75820), (892, 74630), (1115, 59704), (1756, 37910), (1784, 37315), (2195, 30328), (2230, 29852), (3512, 18955), (3791, 17560), (4390, 15164), (4460, 14926), (7463, 8920), (7582, 8780)]