680618752

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{919}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 1489340160

約数和(自身を除く): 808721408

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 263, 352, 526, 704, 919, 1052, 1408, 1838, 2104, 2816, 2893, 3676, 4208, 5786, 7352, 8416, 10109, 11572, 14704, 16832, 20218, 23144, 29408, 33664, 40436, 46288, 58816, 67328, 80872, 92576, 117632, 161744, 185152, 235264, 241697, 323488, 370304, 483394, 646976, 740608, 966788, 1293952, 1933576, 2587904, 2658667, 3867152, 5317334, 7734304, 10634668, 15468608, 21269336, 30937216, 42538672, 61874432, 85077344, 170154688, 340309376, 680618752]

約数ペア:

[(1, 680618752), (2, 340309376), (4, 170154688), (8, 85077344), (11, 61874432), (16, 42538672), (22, 30937216), (32, 21269336), (44, 15468608), (64, 10634668), (88, 7734304), (128, 5317334), (176, 3867152), (256, 2658667), (263, 2587904), (352, 1933576), (526, 1293952), (704, 966788), (919, 740608), (1052, 646976), (1408, 483394), (1838, 370304), (2104, 323488), (2816, 241697), (2893, 235264), (3676, 185152), (4208, 161744), (5786, 117632), (7352, 92576), (8416, 80872), (10109, 67328), (11572, 58816), (14704, 46288), (16832, 40436), (20218, 33664), (23144, 29408)]