640417120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{571801}}^1$

素因数の和:571823

約数の個数: 48

約数和(自身を含む): 1729129248

約数和(自身を除く): 1088712128

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, 571801, 1143602, 2287204, 2859005, 4002607, 4574408, 5718010, 8005214, 9148816, 11436020, 16010428, 18297632, 20013035, 22872040, 32020856, 40026070, 45744080, 64041712, 80052140, 91488160, 128083424, 160104280, 320208560, 640417120]

約数ペア:

[(1, 640417120), (2, 320208560), (4, 160104280), (5, 128083424), (7, 91488160), (8, 80052140), (10, 64041712), (14, 45744080), (16, 40026070), (20, 32020856), (28, 22872040), (32, 20013035), (35, 18297632), (40, 16010428), (56, 11436020), (70, 9148816), (80, 8005214), (112, 5718010), (140, 4574408), (160, 4002607), (224, 2859005), (280, 2287204), (560, 1143602), (1120, 571801)]