64519280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 177265440

約数和(自身を除く): 112746160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 109, 112, 140, 151, 196, 218, 245, 280, 302, 392, 436, 490, 545, 560, 604, 755, 763, 784, 872, 980, 1057, 1090, 1208, 1510, 1526, 1744, 1960, 2114, 2180, 2416, 3020, 3052, 3815, 3920, 4228, 4360, 5285, 5341, 6040, 6104, 7399, 7630, 8456, 8720, 10570, 10682, 12080, 12208, 14798, 15260, 16459, 16912, 21140, 21364, 26705, 29596, 30520, 32918, 36995, 42280, 42728, 53410, 59192, 61040, 65836, 73990, 82295, 84560, 85456, 106820, 115213, 118384, 131672, 147980, 164590, 213640, 230426, 263344, 295960, 329180, 427280, 460852, 576065, 591920, 658360, 806491, 921704, 1152130, 1316720, 1612982, 1843408, 2304260, 3225964, 4032455, 4608520, 6451928, 8064910, 9217040, 12903856, 16129820, 32259640, 64519280]

約数ペア:

[(1, 64519280), (2, 32259640), (4, 16129820), (5, 12903856), (7, 9217040), (8, 8064910), (10, 6451928), (14, 4608520), (16, 4032455), (20, 3225964), (28, 2304260), (35, 1843408), (40, 1612982), (49, 1316720), (56, 1152130), (70, 921704), (80, 806491), (98, 658360), (109, 591920), (112, 576065), (140, 460852), (151, 427280), (196, 329180), (218, 295960), (245, 263344), (280, 230426), (302, 213640), (392, 164590), (436, 147980), (490, 131672), (545, 118384), (560, 115213), (604, 106820), (755, 85456), (763, 84560), (784, 82295), (872, 73990), (980, 65836), (1057, 61040), (1090, 59192), (1208, 53410), (1510, 42728), (1526, 42280), (1744, 36995), (1960, 32918), (2114, 30520), (2180, 29596), (2416, 26705), (3020, 21364), (3052, 21140), (3815, 16912), (3920, 16459), (4228, 15260), (4360, 14798), (5285, 12208), (5341, 12080), (6040, 10682), (6104, 10570), (7399, 8720), (7630, 8456)]