161552000

素因数分解:

$2^7\times 5^3\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 420076800

約数和(自身を除く): 258524800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 125, 128, 160, 184, 200, 230, 250, 320, 368, 400, 439, 460, 500, 575, 640, 736, 800, 878, 920, 1000, 1150, 1472, 1600, 1756, 1840, 2000, 2195, 2300, 2875, 2944, 3200, 3512, 3680, 4000, 4390, 4600, 5750, 7024, 7360, 8000, 8780, 9200, 10097, 10975, 11500, 14048, 14720, 16000, 17560, 18400, 20194, 21950, 23000, 28096, 35120, 36800, 40388, 43900, 46000, 50485, 54875, 56192, 70240, 73600, 80776, 87800, 92000, 100970, 109750, 140480, 161552, 175600, 184000, 201940, 219500, 252425, 280960, 323104, 351200, 368000, 403880, 439000, 504850, 646208, 702400, 807760, 878000, 1009700, 1262125, 1292416, 1404800, 1615520, 1756000, 2019400, 2524250, 3231040, 3512000, 4038800, 5048500, 6462080, 7024000, 8077600, 10097000, 16155200, 20194000, 32310400, 40388000, 80776000, 161552000]

約数ペア:

[(1, 161552000), (2, 80776000), (4, 40388000), (5, 32310400), (8, 20194000), (10, 16155200), (16, 10097000), (20, 8077600), (23, 7024000), (25, 6462080), (32, 5048500), (40, 4038800), (46, 3512000), (50, 3231040), (64, 2524250), (80, 2019400), (92, 1756000), (100, 1615520), (115, 1404800), (125, 1292416), (128, 1262125), (160, 1009700), (184, 878000), (200, 807760), (230, 702400), (250, 646208), (320, 504850), (368, 439000), (400, 403880), (439, 368000), (460, 351200), (500, 323104), (575, 280960), (640, 252425), (736, 219500), (800, 201940), (878, 184000), (920, 175600), (1000, 161552), (1150, 140480), (1472, 109750), (1600, 100970), (1756, 92000), (1840, 87800), (2000, 80776), (2195, 73600), (2300, 70240), (2875, 56192), (2944, 54875), (3200, 50485), (3512, 46000), (3680, 43900), (4000, 40388), (4390, 36800), (4600, 35120), (5750, 28096), (7024, 23000), (7360, 21950), (8000, 20194), (8780, 18400), (9200, 17560), (10097, 16000), (10975, 14720), (11500, 14048)]