1687262080

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:517

約数の個数: 192

約数和(自身を含む): 4734456480

約数和(自身を除く): 3047194400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 173, 196, 224, 245, 280, 311, 320, 346, 392, 448, 490, 560, 622, 640, 692, 784, 865, 896, 980, 1120, 1211, 1244, 1384, 1555, 1568, 1730, 1960, 2177, 2240, 2422, 2488, 2768, 3110, 3136, 3460, 3920, 4354, 4480, 4844, 4976, 5536, 6055, 6220, 6272, 6920, 7840, 8477, 8708, 9688, 9952, 10885, 11072, 12110, 12440, 13840, 15239, 15680, 16954, 17416, 19376, 19904, 21770, 22144, 24220, 24880, 27680, 30478, 31360, 33908, 34832, 38752, 39808, 42385, 43540, 48440, 49760, 53803, 55360, 60956, 67816, 69664, 76195, 77504, 84770, 87080, 96880, 99520, 107606, 110720, 121912, 135632, 139328, 152390, 155008, 169540, 174160, 193760, 199040, 215212, 243824, 269015, 271264, 278656, 304780, 339080, 348320, 376621, 387520, 430424, 487648, 538030, 542528, 609560, 678160, 696640, 753242, 775040, 860848, 975296, 1076060, 1085056, 1219120, 1356320, 1393280, 1506484, 1721696, 1883105, 1950592, 2152120, 2438240, 2636347, 2712640, 3012968, 3443392, 3766210, 4304240, 4876480, 5272694, 5425280, 6025936, 6886784, 7532420, 8608480, 9752960, 10545388, 12051872, 13181735, 15064840, 17216960, 21090776, 24103744, 26363470, 30129680, 34433920, 42181552, 48207488, 52726940, 60259360, 84363104, 105453880, 120518720, 168726208, 210907760, 241037440, 337452416, 421815520, 843631040, 1687262080]

約数ペア:

[(1, 1687262080), (2, 843631040), (4, 421815520), (5, 337452416), (7, 241037440), (8, 210907760), (10, 168726208), (14, 120518720), (16, 105453880), (20, 84363104), (28, 60259360), (32, 52726940), (35, 48207488), (40, 42181552), (49, 34433920), (56, 30129680), (64, 26363470), (70, 24103744), (80, 21090776), (98, 17216960), (112, 15064840), (128, 13181735), (140, 12051872), (160, 10545388), (173, 9752960), (196, 8608480), (224, 7532420), (245, 6886784), (280, 6025936), (311, 5425280), (320, 5272694), (346, 4876480), (392, 4304240), (448, 3766210), (490, 3443392), (560, 3012968), (622, 2712640), (640, 2636347), (692, 2438240), (784, 2152120), (865, 1950592), (896, 1883105), (980, 1721696), (1120, 1506484), (1211, 1393280), (1244, 1356320), (1384, 1219120), (1555, 1085056), (1568, 1076060), (1730, 975296), (1960, 860848), (2177, 775040), (2240, 753242), (2422, 696640), (2488, 678160), (2768, 609560), (3110, 542528), (3136, 538030), (3460, 487648), (3920, 430424), (4354, 387520), (4480, 376621), (4844, 348320), (4976, 339080), (5536, 304780), (6055, 278656), (6220, 271264), (6272, 269015), (6920, 243824), (7840, 215212), (8477, 199040), (8708, 193760), (9688, 174160), (9952, 169540), (10885, 155008), (11072, 152390), (12110, 139328), (12440, 135632), (13840, 121912), (15239, 110720), (15680, 107606), (16954, 99520), (17416, 96880), (19376, 87080), (19904, 84770), (21770, 77504), (22144, 76195), (24220, 69664), (24880, 67816), (27680, 60956), (30478, 55360), (31360, 53803), (33908, 49760), (34832, 48440), (38752, 43540), (39808, 42385)]