64620800

素因数分解:

$2^8\times 5^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 108

約数和(自身を含む): 167280960

約数和(自身を除く): 102660160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 256, 320, 368, 400, 439, 460, 575, 640, 736, 800, 878, 920, 1150, 1280, 1472, 1600, 1756, 1840, 2195, 2300, 2944, 3200, 3512, 3680, 4390, 4600, 5888, 6400, 7024, 7360, 8780, 9200, 10097, 10975, 14048, 14720, 17560, 18400, 20194, 21950, 28096, 29440, 35120, 36800, 40388, 43900, 50485, 56192, 70240, 73600, 80776, 87800, 100970, 112384, 140480, 147200, 161552, 175600, 201940, 252425, 280960, 323104, 351200, 403880, 504850, 561920, 646208, 702400, 807760, 1009700, 1292416, 1404800, 1615520, 2019400, 2584832, 2809600, 3231040, 4038800, 6462080, 8077600, 12924160, 16155200, 32310400, 64620800]

約数ペア:

[(1, 64620800), (2, 32310400), (4, 16155200), (5, 12924160), (8, 8077600), (10, 6462080), (16, 4038800), (20, 3231040), (23, 2809600), (25, 2584832), (32, 2019400), (40, 1615520), (46, 1404800), (50, 1292416), (64, 1009700), (80, 807760), (92, 702400), (100, 646208), (115, 561920), (128, 504850), (160, 403880), (184, 351200), (200, 323104), (230, 280960), (256, 252425), (320, 201940), (368, 175600), (400, 161552), (439, 147200), (460, 140480), (575, 112384), (640, 100970), (736, 87800), (800, 80776), (878, 73600), (920, 70240), (1150, 56192), (1280, 50485), (1472, 43900), (1600, 40388), (1756, 36800), (1840, 35120), (2195, 29440), (2300, 28096), (2944, 21950), (3200, 20194), (3512, 18400), (3680, 17560), (4390, 14720), (4600, 14048), (5888, 10975), (6400, 10097), (7024, 9200), (7360, 8780)]