320771968

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 712215000

約数和(自身を除く): 391443032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 139, 149, 176, 242, 278, 298, 352, 484, 556, 596, 704, 968, 1112, 1192, 1408, 1529, 1639, 1936, 2224, 2384, 3058, 3278, 3872, 4448, 4768, 6116, 6556, 7744, 8896, 9536, 12232, 13112, 15488, 16819, 17792, 18029, 19072, 20711, 24464, 26224, 33638, 36058, 41422, 48928, 52448, 67276, 72116, 82844, 97856, 104896, 134552, 144232, 165688, 195712, 209792, 227821, 269104, 288464, 331376, 455642, 538208, 576928, 662752, 911284, 1076416, 1153856, 1325504, 1822568, 2152832, 2307712, 2506031, 2651008, 3645136, 5012062, 7290272, 10024124, 14580544, 20048248, 29161088, 40096496, 80192992, 160385984, 320771968]

約数ペア:

[(1, 320771968), (2, 160385984), (4, 80192992), (8, 40096496), (11, 29161088), (16, 20048248), (22, 14580544), (32, 10024124), (44, 7290272), (64, 5012062), (88, 3645136), (121, 2651008), (128, 2506031), (139, 2307712), (149, 2152832), (176, 1822568), (242, 1325504), (278, 1153856), (298, 1076416), (352, 911284), (484, 662752), (556, 576928), (596, 538208), (704, 455642), (968, 331376), (1112, 288464), (1192, 269104), (1408, 227821), (1529, 209792), (1639, 195712), (1936, 165688), (2224, 144232), (2384, 134552), (3058, 104896), (3278, 97856), (3872, 82844), (4448, 72116), (4768, 67276), (6116, 52448), (6556, 48928), (7744, 41422), (8896, 36058), (9536, 33638), (12232, 26224), (13112, 24464), (15488, 20711), (16819, 19072), (17792, 18029)]