247717120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{27647}}^1$

素因数の和:27675

約数の個数: 72

約数和(自身を含む): 678150144

約数和(自身を除く): 430433024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 27647, 55294, 110588, 138235, 193529, 221176, 276470, 387058, 442352, 552940, 774116, 884704, 967645, 1105880, 1548232, 1769408, 1935290, 2211760, 3096464, 3538816, 3870580, 4423520, 6192928, 7077632, 7741160, 8847040, 12385856, 15482320, 17694080, 24771712, 30964640, 35388160, 49543424, 61929280, 123858560, 247717120]

約数ペア:

[(1, 247717120), (2, 123858560), (4, 61929280), (5, 49543424), (7, 35388160), (8, 30964640), (10, 24771712), (14, 17694080), (16, 15482320), (20, 12385856), (28, 8847040), (32, 7741160), (35, 7077632), (40, 6192928), (56, 4423520), (64, 3870580), (70, 3538816), (80, 3096464), (112, 2211760), (128, 1935290), (140, 1769408), (160, 1548232), (224, 1105880), (256, 967645), (280, 884704), (320, 774116), (448, 552940), (560, 442352), (640, 387058), (896, 276470), (1120, 221176), (1280, 193529), (1792, 138235), (2240, 110588), (4480, 55294), (8960, 27647)]