1242563840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{138679}}^1$

素因数の和:138707

約数の個数: 72

約数和(自身を含む): 3401543040

約数和(自身を除く): 2158979200

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, 138679, 277358, 554716, 693395, 970753, 1109432, 1386790, 1941506, 2218864, 2773580, 3883012, 4437728, 4853765, 5547160, 7766024, 8875456, 9707530, 11094320, 15532048, 17750912, 19415060, 22188640, 31064096, 35501824, 38830120, 44377280, 62128192, 77660240, 88754560, 124256384, 155320480, 177509120, 248512768, 310640960, 621281920, 1242563840]

約数ペア:

[(1, 1242563840), (2, 621281920), (4, 310640960), (5, 248512768), (7, 177509120), (8, 155320480), (10, 124256384), (14, 88754560), (16, 77660240), (20, 62128192), (28, 44377280), (32, 38830120), (35, 35501824), (40, 31064096), (56, 22188640), (64, 19415060), (70, 17750912), (80, 15532048), (112, 11094320), (128, 9707530), (140, 8875456), (160, 7766024), (224, 5547160), (256, 4853765), (280, 4437728), (320, 3883012), (448, 2773580), (560, 2218864), (640, 1941506), (896, 1386790), (1120, 1109432), (1280, 970753), (1792, 693395), (2240, 554716), (4480, 277358), (8960, 138679)]