240667856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{359}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 551214720

約数和(自身を除く): 310546864

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 293, 359, 572, 586, 718, 1144, 1172, 1436, 2288, 2344, 2872, 3223, 3809, 3949, 4667, 4688, 5744, 6446, 7618, 7898, 9334, 12892, 15236, 15796, 18668, 25784, 30472, 31592, 37336, 41899, 51337, 51568, 60944, 63184, 74672, 83798, 102674, 105187, 167596, 205348, 210374, 335192, 410696, 420748, 670384, 821392, 841496, 1157057, 1367431, 1682992, 2314114, 2734862, 4628228, 5469724, 9256456, 10939448, 15041741, 18512912, 21878896, 30083482, 60166964, 120333928, 240667856]

約数ペア:

[(1, 240667856), (2, 120333928), (4, 60166964), (8, 30083482), (11, 21878896), (13, 18512912), (16, 15041741), (22, 10939448), (26, 9256456), (44, 5469724), (52, 4628228), (88, 2734862), (104, 2314114), (143, 1682992), (176, 1367431), (208, 1157057), (286, 841496), (293, 821392), (359, 670384), (572, 420748), (586, 410696), (718, 335192), (1144, 210374), (1172, 205348), (1436, 167596), (2288, 105187), (2344, 102674), (2872, 83798), (3223, 74672), (3809, 63184), (3949, 60944), (4667, 51568), (4688, 51337), (5744, 41899), (6446, 37336), (7618, 31592), (7898, 30472), (9334, 25784), (12892, 18668), (15236, 15796)]