256075488

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 777905856

約数和(自身を除く): 521830368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 193, 204, 271, 272, 288, 306, 386, 408, 542, 544, 579, 612, 772, 813, 816, 1084, 1158, 1224, 1544, 1626, 1632, 1737, 2168, 2316, 2439, 2448, 3088, 3252, 3281, 3474, 4336, 4607, 4632, 4878, 4896, 6176, 6504, 6562, 6948, 8672, 9214, 9264, 9756, 9843, 13008, 13124, 13821, 13896, 18428, 18528, 19512, 19686, 26016, 26248, 27642, 27792, 29529, 36856, 39024, 39372, 41463, 52303, 52496, 55284, 55584, 59058, 73712, 78048, 78744, 82926, 104606, 104992, 110568, 118116, 147424, 156909, 157488, 165852, 209212, 221136, 236232, 313818, 314976, 331704, 418424, 442272, 470727, 472464, 627636, 663408, 836848, 889151, 941454, 944928, 1255272, 1326816, 1673696, 1778302, 1882908, 2510544, 2667453, 3556604, 3765816, 5021088, 5334906, 7113208, 7531632, 8002359, 10669812, 14226416, 15063264, 16004718, 21339624, 28452832, 32009436, 42679248, 64018872, 85358496, 128037744, 256075488]

約数ペア:

[(1, 256075488), (2, 128037744), (3, 85358496), (4, 64018872), (6, 42679248), (8, 32009436), (9, 28452832), (12, 21339624), (16, 16004718), (17, 15063264), (18, 14226416), (24, 10669812), (32, 8002359), (34, 7531632), (36, 7113208), (48, 5334906), (51, 5021088), (68, 3765816), (72, 3556604), (96, 2667453), (102, 2510544), (136, 1882908), (144, 1778302), (153, 1673696), (193, 1326816), (204, 1255272), (271, 944928), (272, 941454), (288, 889151), (306, 836848), (386, 663408), (408, 627636), (542, 472464), (544, 470727), (579, 442272), (612, 418424), (772, 331704), (813, 314976), (816, 313818), (1084, 236232), (1158, 221136), (1224, 209212), (1544, 165852), (1626, 157488), (1632, 156909), (1737, 147424), (2168, 118116), (2316, 110568), (2439, 104992), (2448, 104606), (3088, 82926), (3252, 78744), (3281, 78048), (3474, 73712), (4336, 59058), (4607, 55584), (4632, 55284), (4878, 52496), (4896, 52303), (6176, 41463), (6504, 39372), (6562, 39024), (6948, 36856), (8672, 29529), (9214, 27792), (9264, 27642), (9756, 26248), (9843, 26016), (13008, 19686), (13124, 19512), (13821, 18528), (13896, 18428)]