261771264

素因数分解:

$2^{12}\times 3^5\times {\mathrm{263}}^1$

素因数の和:302

約数の個数: 156

約数和(自身を含む): 787122336

約数和(自身を除く): 525351072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 263, 288, 324, 384, 432, 486, 512, 526, 576, 648, 768, 789, 864, 972, 1024, 1052, 1152, 1296, 1536, 1578, 1728, 1944, 2048, 2104, 2304, 2367, 2592, 3072, 3156, 3456, 3888, 4096, 4208, 4608, 4734, 5184, 6144, 6312, 6912, 7101, 7776, 8416, 9216, 9468, 10368, 12288, 12624, 13824, 14202, 15552, 16832, 18432, 18936, 20736, 21303, 25248, 27648, 28404, 31104, 33664, 36864, 37872, 41472, 42606, 50496, 55296, 56808, 62208, 63909, 67328, 75744, 82944, 85212, 100992, 110592, 113616, 124416, 127818, 134656, 151488, 165888, 170424, 201984, 227232, 248832, 255636, 269312, 302976, 331776, 340848, 403968, 454464, 497664, 511272, 538624, 605952, 681696, 807936, 908928, 995328, 1022544, 1077248, 1211904, 1363392, 1615872, 1817856, 2045088, 2423808, 2726784, 3231744, 3635712, 4090176, 4847616, 5453568, 7271424, 8180352, 9695232, 10907136, 14542848, 16360704, 21814272, 29085696, 32721408, 43628544, 65442816, 87257088, 130885632, 261771264]

約数ペア:

[(1, 261771264), (2, 130885632), (3, 87257088), (4, 65442816), (6, 43628544), (8, 32721408), (9, 29085696), (12, 21814272), (16, 16360704), (18, 14542848), (24, 10907136), (27, 9695232), (32, 8180352), (36, 7271424), (48, 5453568), (54, 4847616), (64, 4090176), (72, 3635712), (81, 3231744), (96, 2726784), (108, 2423808), (128, 2045088), (144, 1817856), (162, 1615872), (192, 1363392), (216, 1211904), (243, 1077248), (256, 1022544), (263, 995328), (288, 908928), (324, 807936), (384, 681696), (432, 605952), (486, 538624), (512, 511272), (526, 497664), (576, 454464), (648, 403968), (768, 340848), (789, 331776), (864, 302976), (972, 269312), (1024, 255636), (1052, 248832), (1152, 227232), (1296, 201984), (1536, 170424), (1578, 165888), (1728, 151488), (1944, 134656), (2048, 127818), (2104, 124416), (2304, 113616), (2367, 110592), (2592, 100992), (3072, 85212), (3156, 82944), (3456, 75744), (3888, 67328), (4096, 63909), (4208, 62208), (4608, 56808), (4734, 55296), (5184, 50496), (6144, 42606), (6312, 41472), (6912, 37872), (7101, 36864), (7776, 33664), (8416, 31104), (9216, 28404), (9468, 27648), (10368, 25248), (12288, 21303), (12624, 20736), (13824, 18936), (14202, 18432), (15552, 16832)]