161719992

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2042

約数の個数: 144

約数和(自身を含む): 531919440

約数和(自身を除く): 370199448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 392, 414, 441, 483, 504, 552, 588, 644, 828, 882, 966, 1127, 1176, 1288, 1449, 1656, 1764, 1932, 1993, 2254, 2898, 3381, 3528, 3864, 3986, 4508, 5796, 5979, 6762, 7972, 9016, 10143, 11592, 11958, 13524, 13951, 15944, 17937, 20286, 23916, 27048, 27902, 35874, 40572, 41853, 45839, 47832, 55804, 71748, 81144, 83706, 91678, 97657, 111608, 125559, 137517, 143496, 167412, 183356, 195314, 251118, 275034, 292971, 320873, 334824, 366712, 390628, 412551, 502236, 550068, 585942, 641746, 781256, 825102, 878913, 962619, 1004472, 1100136, 1171884, 1283492, 1650204, 1757826, 1925238, 2246111, 2343768, 2566984, 2887857, 3300408, 3515652, 3850476, 4492222, 5775714, 6738333, 7031304, 7700952, 8984444, 11551428, 13476666, 17968888, 20214999, 23102856, 26953332, 40429998, 53906664, 80859996, 161719992]

約数ペア:

[(1, 161719992), (2, 80859996), (3, 53906664), (4, 40429998), (6, 26953332), (7, 23102856), (8, 20214999), (9, 17968888), (12, 13476666), (14, 11551428), (18, 8984444), (21, 7700952), (23, 7031304), (24, 6738333), (28, 5775714), (36, 4492222), (42, 3850476), (46, 3515652), (49, 3300408), (56, 2887857), (63, 2566984), (69, 2343768), (72, 2246111), (84, 1925238), (92, 1757826), (98, 1650204), (126, 1283492), (138, 1171884), (147, 1100136), (161, 1004472), (168, 962619), (184, 878913), (196, 825102), (207, 781256), (252, 641746), (276, 585942), (294, 550068), (322, 502236), (392, 412551), (414, 390628), (441, 366712), (483, 334824), (504, 320873), (552, 292971), (588, 275034), (644, 251118), (828, 195314), (882, 183356), (966, 167412), (1127, 143496), (1176, 137517), (1288, 125559), (1449, 111608), (1656, 97657), (1764, 91678), (1932, 83706), (1993, 81144), (2254, 71748), (2898, 55804), (3381, 47832), (3528, 45839), (3864, 41853), (3986, 40572), (4508, 35874), (5796, 27902), (5979, 27048), (6762, 23916), (7972, 20286), (9016, 17937), (10143, 15944), (11592, 13951), (11958, 13524)]