204865280

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5519}}^1$

素因数の和:5569

約数の個数: 72

約数和(自身を含む): 507729600

約数和(自身を除く): 302864320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 2320, 3712, 4640, 5519, 7424, 9280, 11038, 18560, 22076, 27595, 37120, 44152, 55190, 88304, 110380, 160051, 176608, 220760, 320102, 353216, 441520, 640204, 706432, 800255, 883040, 1280408, 1412864, 1600510, 1766080, 2560816, 3201020, 3532160, 5121632, 6402040, 7064320, 10243264, 12804080, 20486528, 25608160, 40973056, 51216320, 102432640, 204865280]

約数ペア:

[(1, 204865280), (2, 102432640), (4, 51216320), (5, 40973056), (8, 25608160), (10, 20486528), (16, 12804080), (20, 10243264), (29, 7064320), (32, 6402040), (40, 5121632), (58, 3532160), (64, 3201020), (80, 2560816), (116, 1766080), (128, 1600510), (145, 1412864), (160, 1280408), (232, 883040), (256, 800255), (290, 706432), (320, 640204), (464, 441520), (580, 353216), (640, 320102), (928, 220760), (1160, 176608), (1280, 160051), (1856, 110380), (2320, 88304), (3712, 55190), (4640, 44152), (5519, 37120), (7424, 27595), (9280, 22076), (11038, 18560)]