1681289568

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:447

約数の個数: 288

約数和(自身を含む): 5763985920

約数和(自身を除く): 4082696352

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, 84, 96, 98, 108, 112, 126, 144, 147, 151, 168, 189, 196, 216, 224, 252, 263, 288, 294, 302, 336, 378, 392, 432, 441, 453, 504, 526, 588, 604, 672, 756, 784, 789, 864, 882, 906, 1008, 1052, 1057, 1176, 1208, 1323, 1359, 1512, 1568, 1578, 1764, 1812, 1841, 2016, 2104, 2114, 2352, 2367, 2416, 2646, 2718, 3024, 3156, 3171, 3528, 3624, 3682, 4077, 4208, 4228, 4704, 4734, 4832, 5292, 5436, 5523, 6048, 6312, 6342, 7056, 7101, 7248, 7364, 7399, 8154, 8416, 8456, 9468, 9513, 10584, 10872, 11046, 12624, 12684, 12887, 14112, 14202, 14496, 14728, 14798, 16308, 16569, 16912, 18936, 19026, 21168, 21744, 22092, 22197, 25248, 25368, 25774, 28404, 28539, 29456, 29596, 32616, 33138, 33824, 37872, 38052, 38661, 39713, 42336, 43488, 44184, 44394, 49707, 50736, 51548, 56808, 57078, 58912, 59192, 65232, 66276, 66591, 75744, 76104, 77322, 79426, 88368, 88788, 99414, 101472, 103096, 113616, 114156, 115983, 118384, 119139, 130464, 132552, 133182, 152208, 154644, 158852, 176736, 177576, 198828, 199773, 206192, 227232, 228312, 231966, 236768, 238278, 265104, 266364, 277991, 304416, 309288, 317704, 347949, 355152, 357417, 397656, 399546, 412384, 456624, 463932, 476556, 530208, 532728, 555982, 618576, 635408, 695898, 710304, 714834, 795312, 799092, 833973, 913248, 927864, 953112, 1065456, 1072251, 1111964, 1237152, 1270816, 1391796, 1429668, 1590624, 1598184, 1667946, 1855728, 1906224, 1945937, 2130912, 2144502, 2223928, 2501919, 2783592, 2859336, 3196368, 3335892, 3711456, 3812448, 3891874, 4289004, 4447856, 5003838, 5567184, 5718672, 5837811, 6392736, 6671784, 7505757, 7783748, 8578008, 8895712, 10007676, 11134368, 11437344, 11675622, 13343568, 15011514, 15567496, 17156016, 17513433, 20015352, 23351244, 26687136, 30023028, 31134992, 34312032, 35026866, 40030704, 46702488, 52540299, 60046056, 62269984, 70053732, 80061408, 93404976, 105080598, 120092112, 140107464, 186809952, 210161196, 240184224, 280214928, 420322392, 560429856, 840644784, 1681289568]

約数ペア:

[(1, 1681289568), (2, 840644784), (3, 560429856), (4, 420322392), (6, 280214928), (7, 240184224), (8, 210161196), (9, 186809952), (12, 140107464), (14, 120092112), (16, 105080598), (18, 93404976), (21, 80061408), (24, 70053732), (27, 62269984), (28, 60046056), (32, 52540299), (36, 46702488), (42, 40030704), (48, 35026866), (49, 34312032), (54, 31134992), (56, 30023028), (63, 26687136), (72, 23351244), (84, 20015352), (96, 17513433), (98, 17156016), (108, 15567496), (112, 15011514), (126, 13343568), (144, 11675622), (147, 11437344), (151, 11134368), (168, 10007676), (189, 8895712), (196, 8578008), (216, 7783748), (224, 7505757), (252, 6671784), (263, 6392736), (288, 5837811), (294, 5718672), (302, 5567184), (336, 5003838), (378, 4447856), (392, 4289004), (432, 3891874), (441, 3812448), (453, 3711456), (504, 3335892), (526, 3196368), (588, 2859336), (604, 2783592), (672, 2501919), (756, 2223928), (784, 2144502), (789, 2130912), (864, 1945937), (882, 1906224), (906, 1855728), (1008, 1667946), (1052, 1598184), (1057, 1590624), (1176, 1429668), (1208, 1391796), (1323, 1270816), (1359, 1237152), (1512, 1111964), (1568, 1072251), (1578, 1065456), (1764, 953112), (1812, 927864), (1841, 913248), (2016, 833973), (2104, 799092), (2114, 795312), (2352, 714834), (2367, 710304), (2416, 695898), (2646, 635408), (2718, 618576), (3024, 555982), (3156, 532728), (3171, 530208), (3528, 476556), (3624, 463932), (3682, 456624), (4077, 412384), (4208, 399546), (4228, 397656), (4704, 357417), (4734, 355152), (4832, 347949), (5292, 317704), (5436, 309288), (5523, 304416), (6048, 277991), (6312, 266364), (6342, 265104), (7056, 238278), (7101, 236768), (7248, 231966), (7364, 228312), (7399, 227232), (8154, 206192), (8416, 199773), (8456, 198828), (9468, 177576), (9513, 176736), (10584, 158852), (10872, 154644), (11046, 152208), (12624, 133182), (12684, 132552), (12887, 130464), (14112, 119139), (14202, 118384), (14496, 115983), (14728, 114156), (14798, 113616), (16308, 103096), (16569, 101472), (16912, 99414), (18936, 88788), (19026, 88368), (21168, 79426), (21744, 77322), (22092, 76104), (22197, 75744), (25248, 66591), (25368, 66276), (25774, 65232), (28404, 59192), (28539, 58912), (29456, 57078), (29596, 56808), (32616, 51548), (33138, 50736), (33824, 49707), (37872, 44394), (38052, 44184), (38661, 43488), (39713, 42336)]