64288360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 151016400

約数和(自身を除く): 86728040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 157, 232, 290, 314, 353, 580, 628, 706, 785, 1160, 1256, 1412, 1570, 1765, 2824, 3140, 3530, 4553, 6280, 7060, 9106, 10237, 14120, 18212, 20474, 22765, 36424, 40948, 45530, 51185, 55421, 81896, 91060, 102370, 110842, 182120, 204740, 221684, 277105, 409480, 443368, 554210, 1108420, 1607209, 2216840, 3214418, 6428836, 8036045, 12857672, 16072090, 32144180, 64288360]

約数ペア:

[(1, 64288360), (2, 32144180), (4, 16072090), (5, 12857672), (8, 8036045), (10, 6428836), (20, 3214418), (29, 2216840), (40, 1607209), (58, 1108420), (116, 554210), (145, 443368), (157, 409480), (232, 277105), (290, 221684), (314, 204740), (353, 182120), (580, 110842), (628, 102370), (706, 91060), (785, 81896), (1160, 55421), (1256, 51185), (1412, 45530), (1570, 40948), (1765, 36424), (2824, 22765), (3140, 20474), (3530, 18212), (4553, 14120), (6280, 10237), (7060, 9106)]