2561328

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{11}}^2$

素因数の和:53

約数の個数: 180

約数和(自身を含む): 9400440

約数和(自身を除く): 6839112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 49, 54, 56, 63, 66, 72, 77, 84, 88, 98, 99, 108, 112, 121, 126, 132, 144, 147, 154, 168, 176, 189, 196, 198, 216, 231, 242, 252, 264, 294, 297, 308, 336, 363, 378, 392, 396, 432, 441, 462, 484, 504, 528, 539, 588, 594, 616, 693, 726, 756, 784, 792, 847, 882, 924, 968, 1008, 1078, 1089, 1176, 1188, 1232, 1323, 1386, 1452, 1512, 1584, 1617, 1694, 1764, 1848, 1936, 2079, 2156, 2178, 2352, 2376, 2541, 2646, 2772, 2904, 3024, 3234, 3267, 3388, 3528, 3696, 4158, 4312, 4356, 4752, 4851, 5082, 5292, 5544, 5808, 5929, 6468, 6534, 6776, 7056, 7623, 8316, 8624, 8712, 9702, 10164, 10584, 11088, 11858, 12936, 13068, 13552, 14553, 15246, 16632, 17424, 17787, 19404, 20328, 21168, 22869, 23716, 25872, 26136, 29106, 30492, 33264, 35574, 38808, 40656, 45738, 47432, 52272, 53361, 58212, 60984, 71148, 77616, 91476, 94864, 106722, 116424, 121968, 142296, 160083, 182952, 213444, 232848, 284592, 320166, 365904, 426888, 640332, 853776, 1280664, 2561328]

約数ペア:

[(1, 2561328), (2, 1280664), (3, 853776), (4, 640332), (6, 426888), (7, 365904), (8, 320166), (9, 284592), (11, 232848), (12, 213444), (14, 182952), (16, 160083), (18, 142296), (21, 121968), (22, 116424), (24, 106722), (27, 94864), (28, 91476), (33, 77616), (36, 71148), (42, 60984), (44, 58212), (48, 53361), (49, 52272), (54, 47432), (56, 45738), (63, 40656), (66, 38808), (72, 35574), (77, 33264), (84, 30492), (88, 29106), (98, 26136), (99, 25872), (108, 23716), (112, 22869), (121, 21168), (126, 20328), (132, 19404), (144, 17787), (147, 17424), (154, 16632), (168, 15246), (176, 14553), (189, 13552), (196, 13068), (198, 12936), (216, 11858), (231, 11088), (242, 10584), (252, 10164), (264, 9702), (294, 8712), (297, 8624), (308, 8316), (336, 7623), (363, 7056), (378, 6776), (392, 6534), (396, 6468), (432, 5929), (441, 5808), (462, 5544), (484, 5292), (504, 5082), (528, 4851), (539, 4752), (588, 4356), (594, 4312), (616, 4158), (693, 3696), (726, 3528), (756, 3388), (784, 3267), (792, 3234), (847, 3024), (882, 2904), (924, 2772), (968, 2646), (1008, 2541), (1078, 2376), (1089, 2352), (1176, 2178), (1188, 2156), (1232, 2079), (1323, 1936), (1386, 1848), (1452, 1764), (1512, 1694), (1584, 1617)]