2821091840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{157427}}^1$

素因数の和:157457

約数の個数: 80

約数和(自身を含む): 7730344512

約数和(自身を除く): 4909252672

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 157427, 314854, 629708, 787135, 1101989, 1259416, 1574270, 2203978, 2518832, 3148540, 4407956, 5037664, 5509945, 6297080, 8815912, 10075328, 11019890, 12594160, 17631824, 20150656, 22039780, 25188320, 35263648, 40301312, 44079560, 50376640, 70527296, 80602624, 88159120, 100753280, 141054592, 176318240, 201506560, 282109184, 352636480, 403013120, 564218368, 705272960, 1410545920, 2821091840]

約数ペア:

[(1, 2821091840), (2, 1410545920), (4, 705272960), (5, 564218368), (7, 403013120), (8, 352636480), (10, 282109184), (14, 201506560), (16, 176318240), (20, 141054592), (28, 100753280), (32, 88159120), (35, 80602624), (40, 70527296), (56, 50376640), (64, 44079560), (70, 40301312), (80, 35263648), (112, 25188320), (128, 22039780), (140, 20150656), (160, 17631824), (224, 12594160), (256, 11019890), (280, 10075328), (320, 8815912), (448, 6297080), (512, 5509945), (560, 5037664), (640, 4407956), (896, 3148540), (1120, 2518832), (1280, 2203978), (1792, 1574270), (2240, 1259416), (2560, 1101989), (3584, 787135), (4480, 629708), (8960, 314854), (17920, 157427)]