81259010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 177914880

約数和(自身を除く): 96655870

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 107, 133, 190, 214, 266, 535, 571, 665, 749, 1070, 1142, 1330, 1498, 2033, 2855, 3745, 3997, 4066, 5710, 7490, 7994, 10165, 10849, 14231, 19985, 20330, 21698, 28462, 39970, 54245, 61097, 71155, 75943, 108490, 122194, 142310, 151886, 305485, 379715, 427679, 610970, 759430, 855358, 1160843, 2138395, 2321686, 4276790, 5804215, 8125901, 11608430, 16251802, 40629505, 81259010]

約数ペア:

[(1, 81259010), (2, 40629505), (5, 16251802), (7, 11608430), (10, 8125901), (14, 5804215), (19, 4276790), (35, 2321686), (38, 2138395), (70, 1160843), (95, 855358), (107, 759430), (133, 610970), (190, 427679), (214, 379715), (266, 305485), (535, 151886), (571, 142310), (665, 122194), (749, 108490), (1070, 75943), (1142, 71155), (1330, 61097), (1498, 54245), (2033, 39970), (2855, 28462), (3745, 21698), (3997, 20330), (4066, 19985), (5710, 14231), (7490, 10849), (7994, 10165)]