155320480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{138679}}^1$

素因数の和:138701

約数の個数: 48

約数和(自身を含む): 419368320

約数和(自身を除く): 264047840

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, 138679, 277358, 554716, 693395, 970753, 1109432, 1386790, 1941506, 2218864, 2773580, 3883012, 4437728, 4853765, 5547160, 7766024, 9707530, 11094320, 15532048, 19415060, 22188640, 31064096, 38830120, 77660240, 155320480]

約数ペア:

[(1, 155320480), (2, 77660240), (4, 38830120), (5, 31064096), (7, 22188640), (8, 19415060), (10, 15532048), (14, 11094320), (16, 9707530), (20, 7766024), (28, 5547160), (32, 4853765), (35, 4437728), (40, 3883012), (56, 2773580), (70, 2218864), (80, 1941506), (112, 1386790), (140, 1109432), (160, 970753), (224, 693395), (280, 554716), (560, 277358), (1120, 138679)]