320901280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{286519}}^1$

素因数の和:286541

約数の個数: 48

約数和(自身を含む): 866436480

約数和(自身を除く): 545535200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 286519, 573038, 1146076, 1432595, 2005633, 2292152, 2865190, 4011266, 4584304, 5730380, 8022532, 9168608, 10028165, 11460760, 16045064, 20056330, 22921520, 32090128, 40112660, 45843040, 64180256, 80225320, 160450640, 320901280]

約数ペア:

[(1, 320901280), (2, 160450640), (4, 80225320), (5, 64180256), (7, 45843040), (8, 40112660), (10, 32090128), (14, 22921520), (16, 20056330), (20, 16045064), (28, 11460760), (32, 10028165), (35, 9168608), (40, 8022532), (56, 5730380), (70, 4584304), (80, 4011266), (112, 2865190), (140, 2292152), (160, 2005633), (224, 1432595), (280, 1146076), (560, 573038), (1120, 286519)]