64326448640

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1322501}}^1$

素因数の和:1322543

約数の個数: 80

約数和(自身を含む): 162350345520

約数和(自身を除く): 98023896880

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, 48640, 1322501, 2645002, 5290004, 6612505, 10580008, 13225010, 21160016, 25127519, 26450020, 42320032, 50255038, 52900040, 84640064, 100510076, 105800080, 125637595, 169280128, 201020152, 211600160, 251275190, 338560256, 402040304, 423200320, 502550380, 677120512, 804080608, 846400640, 1005100760, 1608161216, 1692801280, 2010201520, 3216322432, 3385602560, 4020403040, 6432644864, 8040806080, 12865289728, 16081612160, 32163224320, 64326448640]

約数ペア:

[(1, 64326448640), (2, 32163224320), (4, 16081612160), (5, 12865289728), (8, 8040806080), (10, 6432644864), (16, 4020403040), (19, 3385602560), (20, 3216322432), (32, 2010201520), (38, 1692801280), (40, 1608161216), (64, 1005100760), (76, 846400640), (80, 804080608), (95, 677120512), (128, 502550380), (152, 423200320), (160, 402040304), (190, 338560256), (256, 251275190), (304, 211600160), (320, 201020152), (380, 169280128), (512, 125637595), (608, 105800080), (640, 100510076), (760, 84640064), (1216, 52900040), (1280, 50255038), (1520, 42320032), (2432, 26450020), (2560, 25127519), (3040, 21160016), (4864, 13225010), (6080, 10580008), (9728, 6612505), (12160, 5290004), (24320, 2645002), (48640, 1322501)]