256095616

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 661351680

約数和(自身を除く): 405256064

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 43, 46, 56, 64, 68, 86, 92, 112, 119, 128, 136, 161, 172, 184, 224, 238, 272, 289, 301, 322, 344, 368, 391, 448, 476, 544, 578, 602, 644, 688, 731, 736, 782, 896, 952, 989, 1088, 1156, 1204, 1288, 1376, 1462, 1472, 1564, 1904, 1978, 2023, 2176, 2312, 2408, 2576, 2737, 2752, 2924, 2944, 3128, 3808, 3956, 4046, 4624, 4816, 5117, 5152, 5474, 5504, 5848, 6256, 6647, 6923, 7616, 7912, 8092, 9248, 9632, 10234, 10304, 10948, 11696, 12427, 12512, 13294, 13846, 15232, 15824, 16184, 16813, 18496, 19264, 20468, 20608, 21896, 23392, 24854, 25024, 26588, 27692, 31648, 32368, 33626, 36992, 38528, 40936, 43792, 46529, 46784, 49708, 50048, 53176, 55384, 63296, 64736, 67252, 81872, 86989, 87584, 93058, 93568, 99416, 106352, 110768, 117691, 126592, 129472, 134504, 163744, 173978, 175168, 186116, 198832, 212704, 221536, 235382, 258944, 269008, 285821, 327488, 347956, 350336, 372232, 397664, 425408, 443072, 470764, 538016, 571642, 654976, 695912, 744464, 795328, 850816, 886144, 941528, 1076032, 1143284, 1391824, 1488928, 1590656, 1883056, 2000747, 2152064, 2286568, 2783648, 2977856, 3766112, 4001494, 4573136, 5567296, 5955712, 7532224, 8002988, 9146272, 11134592, 15064448, 16005976, 18292544, 32011952, 36585088, 64023904, 128047808, 256095616]

約数ペア:

[(1, 256095616), (2, 128047808), (4, 64023904), (7, 36585088), (8, 32011952), (14, 18292544), (16, 16005976), (17, 15064448), (23, 11134592), (28, 9146272), (32, 8002988), (34, 7532224), (43, 5955712), (46, 5567296), (56, 4573136), (64, 4001494), (68, 3766112), (86, 2977856), (92, 2783648), (112, 2286568), (119, 2152064), (128, 2000747), (136, 1883056), (161, 1590656), (172, 1488928), (184, 1391824), (224, 1143284), (238, 1076032), (272, 941528), (289, 886144), (301, 850816), (322, 795328), (344, 744464), (368, 695912), (391, 654976), (448, 571642), (476, 538016), (544, 470764), (578, 443072), (602, 425408), (644, 397664), (688, 372232), (731, 350336), (736, 347956), (782, 327488), (896, 285821), (952, 269008), (989, 258944), (1088, 235382), (1156, 221536), (1204, 212704), (1288, 198832), (1376, 186116), (1462, 175168), (1472, 173978), (1564, 163744), (1904, 134504), (1978, 129472), (2023, 126592), (2176, 117691), (2312, 110768), (2408, 106352), (2576, 99416), (2737, 93568), (2752, 93058), (2924, 87584), (2944, 86989), (3128, 81872), (3808, 67252), (3956, 64736), (4046, 63296), (4624, 55384), (4816, 53176), (5117, 50048), (5152, 49708), (5474, 46784), (5504, 46529), (5848, 43792), (6256, 40936), (6647, 38528), (6923, 36992), (7616, 33626), (7912, 32368), (8092, 31648), (9248, 27692), (9632, 26588), (10234, 25024), (10304, 24854), (10948, 23392), (11696, 21896), (12427, 20608), (12512, 20468), (13294, 19264), (13846, 18496), (15232, 16813), (15824, 16184)]