64684160

素因数分解:

$2^7\times 5^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 155692800

約数和(自身を除く): 91008640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 320, 422, 479, 640, 844, 958, 1055, 1688, 1916, 2110, 2395, 3376, 3832, 4220, 4790, 6752, 7664, 8440, 9580, 13504, 15328, 16880, 19160, 27008, 30656, 33760, 38320, 61312, 67520, 76640, 101069, 135040, 153280, 202138, 306560, 404276, 505345, 808552, 1010690, 1617104, 2021380, 3234208, 4042760, 6468416, 8085520, 12936832, 16171040, 32342080, 64684160]

約数ペア:

[(1, 64684160), (2, 32342080), (4, 16171040), (5, 12936832), (8, 8085520), (10, 6468416), (16, 4042760), (20, 3234208), (32, 2021380), (40, 1617104), (64, 1010690), (80, 808552), (128, 505345), (160, 404276), (211, 306560), (320, 202138), (422, 153280), (479, 135040), (640, 101069), (844, 76640), (958, 67520), (1055, 61312), (1688, 38320), (1916, 33760), (2110, 30656), (2395, 27008), (3376, 19160), (3832, 16880), (4220, 15328), (4790, 13504), (6752, 9580), (7664, 8440)]