1338913280

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27527}}^1$

素因数の和:27569

約数の個数: 80

約数和(自身を含む): 3379337280

約数和(自身を除く): 2040424000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 6080, 9728, 12160, 24320, 27527, 48640, 55054, 110108, 137635, 220216, 275270, 440432, 523013, 550540, 880864, 1046026, 1101080, 1761728, 2092052, 2202160, 2615065, 3523456, 4184104, 4404320, 5230130, 7046912, 8368208, 8808640, 10460260, 14093824, 16736416, 17617280, 20920520, 33472832, 35234560, 41841040, 66945664, 70469120, 83682080, 133891328, 167364160, 267782656, 334728320, 669456640, 1338913280]

約数ペア:

[(1, 1338913280), (2, 669456640), (4, 334728320), (5, 267782656), (8, 167364160), (10, 133891328), (16, 83682080), (19, 70469120), (20, 66945664), (32, 41841040), (38, 35234560), (40, 33472832), (64, 20920520), (76, 17617280), (80, 16736416), (95, 14093824), (128, 10460260), (152, 8808640), (160, 8368208), (190, 7046912), (256, 5230130), (304, 4404320), (320, 4184104), (380, 3523456), (512, 2615065), (608, 2202160), (640, 2092052), (760, 1761728), (1216, 1101080), (1280, 1046026), (1520, 880864), (2432, 550540), (2560, 523013), (3040, 440432), (4864, 275270), (6080, 220216), (9728, 137635), (12160, 110108), (24320, 55054), (27527, 48640)]