64641280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4591}}^1$

素因数の和:4623

約数の個数: 72

約数和(自身を含む): 168948864

約数和(自身を除く): 104307584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 4591, 7040, 9182, 14080, 18364, 22955, 36728, 45910, 50501, 73456, 91820, 101002, 146912, 183640, 202004, 252505, 293824, 367280, 404008, 505010, 587648, 734560, 808016, 1010020, 1175296, 1469120, 1616032, 2020040, 2938240, 3232064, 4040080, 5876480, 6464128, 8080160, 12928256, 16160320, 32320640, 64641280]

約数ペア:

[(1, 64641280), (2, 32320640), (4, 16160320), (5, 12928256), (8, 8080160), (10, 6464128), (11, 5876480), (16, 4040080), (20, 3232064), (22, 2938240), (32, 2020040), (40, 1616032), (44, 1469120), (55, 1175296), (64, 1010020), (80, 808016), (88, 734560), (110, 587648), (128, 505010), (160, 404008), (176, 367280), (220, 293824), (256, 252505), (320, 202004), (352, 183640), (440, 146912), (640, 101002), (704, 91820), (880, 73456), (1280, 50501), (1408, 45910), (1760, 36728), (2816, 22955), (3520, 18364), (4591, 14080), (7040, 9182)]