256768785

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6967}}^1$

素因数の和:7004

約数の個数: 80

約数和(自身を含む): 566582016

約数和(自身を除く): 309813231

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 273, 315, 351, 405, 455, 567, 585, 819, 945, 1053, 1365, 1755, 2457, 2835, 4095, 5265, 6967, 7371, 12285, 20901, 34835, 36855, 48769, 62703, 90571, 104505, 146307, 188109, 243845, 271713, 313515, 438921, 452855, 564327, 633997, 731535, 815139, 940545, 1316763, 1358565, 1901991, 2194605, 2445417, 2821635, 3169985, 3950289, 4075695, 5705973, 6583815, 7336251, 9509955, 12227085, 17117919, 19751445, 28529865, 36681255, 51353757, 85589595, 256768785]

約数ペア:

[(1, 256768785), (3, 85589595), (5, 51353757), (7, 36681255), (9, 28529865), (13, 19751445), (15, 17117919), (21, 12227085), (27, 9509955), (35, 7336251), (39, 6583815), (45, 5705973), (63, 4075695), (65, 3950289), (81, 3169985), (91, 2821635), (105, 2445417), (117, 2194605), (135, 1901991), (189, 1358565), (195, 1316763), (273, 940545), (315, 815139), (351, 731535), (405, 633997), (455, 564327), (567, 452855), (585, 438921), (819, 313515), (945, 271713), (1053, 243845), (1365, 188109), (1755, 146307), (2457, 104505), (2835, 90571), (4095, 62703), (5265, 48769), (6967, 36855), (7371, 34835), (12285, 20901)]