639474080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{570959}}^1$

素因数の和:570981

約数の個数: 48

約数和(自身を含む): 1726583040

約数和(自身を除く): 1087108960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 570959, 1141918, 2283836, 2854795, 3996713, 4567672, 5709590, 7993426, 9135344, 11419180, 15986852, 18270688, 19983565, 22838360, 31973704, 39967130, 45676720, 63947408, 79934260, 91353440, 127894816, 159868520, 319737040, 639474080]

約数ペア:

[(1, 639474080), (2, 319737040), (4, 159868520), (5, 127894816), (7, 91353440), (8, 79934260), (10, 63947408), (14, 45676720), (16, 39967130), (20, 31973704), (28, 22838360), (32, 19983565), (35, 18270688), (40, 15986852), (56, 11419180), (70, 9135344), (80, 7993426), (112, 5709590), (140, 4567672), (160, 3996713), (224, 2854795), (280, 2283836), (560, 1141918), (1120, 570959)]