257445216

素因数分解:

$2^5\times 3^4\times 7^2\times {\mathrm{2027}}^1$

素因数の和:2063

約数の個数: 180

約数和(自身を含む): 881188308

約数和(自身を除く): 623743092

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 224, 252, 288, 294, 324, 336, 378, 392, 432, 441, 504, 567, 588, 648, 672, 756, 784, 864, 882, 1008, 1134, 1176, 1296, 1323, 1512, 1568, 1764, 2016, 2027, 2268, 2352, 2592, 2646, 3024, 3528, 3969, 4054, 4536, 4704, 5292, 6048, 6081, 7056, 7938, 8108, 9072, 10584, 12162, 14112, 14189, 15876, 16216, 18144, 18243, 21168, 24324, 28378, 31752, 32432, 36486, 42336, 42567, 48648, 54729, 56756, 63504, 64864, 72972, 85134, 97296, 99323, 109458, 113512, 127008, 127701, 145944, 164187, 170268, 194592, 198646, 218916, 227024, 255402, 291888, 297969, 328374, 340536, 383103, 397292, 437832, 454048, 510804, 583776, 595938, 656748, 681072, 766206, 794584, 875664, 893907, 1021608, 1149309, 1191876, 1313496, 1362144, 1532412, 1589168, 1751328, 1787814, 2043216, 2298618, 2383752, 2626992, 2681721, 3064824, 3178336, 3575628, 4086432, 4597236, 4767504, 5253984, 5363442, 6129648, 7151256, 8045163, 9194472, 9535008, 10726884, 12259296, 14302512, 16090326, 18388944, 21453768, 28605024, 32180652, 36777888, 42907536, 64361304, 85815072, 128722608, 257445216]

約数ペア:

[(1, 257445216), (2, 128722608), (3, 85815072), (4, 64361304), (6, 42907536), (7, 36777888), (8, 32180652), (9, 28605024), (12, 21453768), (14, 18388944), (16, 16090326), (18, 14302512), (21, 12259296), (24, 10726884), (27, 9535008), (28, 9194472), (32, 8045163), (36, 7151256), (42, 6129648), (48, 5363442), (49, 5253984), (54, 4767504), (56, 4597236), (63, 4086432), (72, 3575628), (81, 3178336), (84, 3064824), (96, 2681721), (98, 2626992), (108, 2383752), (112, 2298618), (126, 2043216), (144, 1787814), (147, 1751328), (162, 1589168), (168, 1532412), (189, 1362144), (196, 1313496), (216, 1191876), (224, 1149309), (252, 1021608), (288, 893907), (294, 875664), (324, 794584), (336, 766206), (378, 681072), (392, 656748), (432, 595938), (441, 583776), (504, 510804), (567, 454048), (588, 437832), (648, 397292), (672, 383103), (756, 340536), (784, 328374), (864, 297969), (882, 291888), (1008, 255402), (1134, 227024), (1176, 218916), (1296, 198646), (1323, 194592), (1512, 170268), (1568, 164187), (1764, 145944), (2016, 127701), (2027, 127008), (2268, 113512), (2352, 109458), (2592, 99323), (2646, 97296), (3024, 85134), (3528, 72972), (3969, 64864), (4054, 63504), (4536, 56756), (4704, 54729), (5292, 48648), (6048, 42567), (6081, 42336), (7056, 36486), (7938, 32432), (8108, 31752), (9072, 28378), (10584, 24324), (12162, 21168), (14112, 18243), (14189, 18144), (15876, 16216)]