81650268

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 180

約数和(自身を含む): 256844280

約数和(自身を除く): 175194012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 49, 54, 63, 74, 81, 84, 98, 108, 111, 126, 139, 147, 148, 162, 189, 196, 222, 252, 259, 278, 294, 324, 333, 378, 417, 441, 444, 518, 556, 567, 588, 666, 756, 777, 834, 882, 973, 999, 1036, 1134, 1251, 1323, 1332, 1554, 1668, 1764, 1813, 1946, 1998, 2268, 2331, 2502, 2646, 2919, 2997, 3108, 3626, 3753, 3892, 3969, 3996, 4662, 5004, 5143, 5292, 5439, 5838, 5994, 6811, 6993, 7252, 7506, 7938, 8757, 9324, 10286, 10878, 11259, 11676, 11988, 13622, 13986, 15012, 15429, 15876, 16317, 17514, 20433, 20572, 20979, 21756, 22518, 26271, 27244, 27972, 30858, 32634, 35028, 36001, 40866, 41958, 45036, 46287, 48951, 52542, 61299, 61716, 65268, 72002, 78813, 81732, 83916, 92574, 97902, 105084, 108003, 122598, 138861, 144004, 146853, 157626, 183897, 185148, 195804, 216006, 245196, 252007, 277722, 293706, 315252, 324009, 367794, 416583, 432012, 504014, 551691, 555444, 587412, 648018, 735588, 756021, 833166, 972027, 1008028, 1103382, 1296036, 1512042, 1666332, 1944054, 2206764, 2268063, 2916081, 3024084, 3888108, 4536126, 5832162, 6804189, 9072252, 11664324, 13608378, 20412567, 27216756, 40825134, 81650268]

約数ペア:

[(1, 81650268), (2, 40825134), (3, 27216756), (4, 20412567), (6, 13608378), (7, 11664324), (9, 9072252), (12, 6804189), (14, 5832162), (18, 4536126), (21, 3888108), (27, 3024084), (28, 2916081), (36, 2268063), (37, 2206764), (42, 1944054), (49, 1666332), (54, 1512042), (63, 1296036), (74, 1103382), (81, 1008028), (84, 972027), (98, 833166), (108, 756021), (111, 735588), (126, 648018), (139, 587412), (147, 555444), (148, 551691), (162, 504014), (189, 432012), (196, 416583), (222, 367794), (252, 324009), (259, 315252), (278, 293706), (294, 277722), (324, 252007), (333, 245196), (378, 216006), (417, 195804), (441, 185148), (444, 183897), (518, 157626), (556, 146853), (567, 144004), (588, 138861), (666, 122598), (756, 108003), (777, 105084), (834, 97902), (882, 92574), (973, 83916), (999, 81732), (1036, 78813), (1134, 72002), (1251, 65268), (1323, 61716), (1332, 61299), (1554, 52542), (1668, 48951), (1764, 46287), (1813, 45036), (1946, 41958), (1998, 40866), (2268, 36001), (2331, 35028), (2502, 32634), (2646, 30858), (2919, 27972), (2997, 27244), (3108, 26271), (3626, 22518), (3753, 21756), (3892, 20979), (3969, 20572), (3996, 20433), (4662, 17514), (5004, 16317), (5143, 15876), (5292, 15429), (5439, 15012), (5838, 13986), (5994, 13622), (6811, 11988), (6993, 11676), (7252, 11259), (7506, 10878), (7938, 10286), (8757, 9324)]