420556416

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 1357824000

約数和(自身を除く): 937267584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 103, 112, 124, 128, 147, 168, 186, 192, 196, 206, 217, 224, 248, 294, 309, 336, 343, 372, 384, 392, 412, 434, 448, 496, 588, 618, 651, 672, 686, 721, 744, 784, 824, 868, 896, 992, 1029, 1176, 1236, 1302, 1344, 1372, 1442, 1488, 1519, 1568, 1648, 1736, 1984, 2058, 2163, 2352, 2472, 2604, 2688, 2744, 2884, 2976, 3038, 3136, 3193, 3296, 3472, 3968, 4116, 4326, 4557, 4704, 4944, 5047, 5208, 5488, 5768, 5952, 6076, 6272, 6386, 6592, 6944, 8232, 8652, 9114, 9408, 9579, 9888, 10094, 10416, 10633, 10976, 11536, 11904, 12152, 12772, 13184, 13888, 15141, 16464, 17304, 18228, 18816, 19158, 19776, 20188, 20832, 21266, 21952, 22351, 23072, 24304, 25544, 27776, 30282, 31899, 32928, 34608, 35329, 36456, 38316, 39552, 40376, 41664, 42532, 43904, 44702, 46144, 48608, 51088, 60564, 63798, 65856, 67053, 69216, 70658, 72912, 76632, 80752, 83328, 85064, 89404, 92288, 97216, 102176, 105987, 121128, 127596, 131712, 134106, 138432, 141316, 145824, 153264, 156457, 161504, 170128, 178808, 194432, 204352, 211974, 242256, 255192, 268212, 276864, 282632, 291648, 306528, 312914, 323008, 340256, 357616, 408704, 423948, 469371, 484512, 510384, 536424, 565264, 583296, 613056, 625828, 646016, 680512, 715232, 847896, 938742, 969024, 1020768, 1072848, 1095199, 1130528, 1226112, 1251656, 1361024, 1430464, 1695792, 1877484, 1938048, 2041536, 2145696, 2190398, 2261056, 2503312, 2860928, 3285597, 3391584, 3754968, 4083072, 4291392, 4380796, 4522112, 5006624, 6571194, 6783168, 7509936, 8582784, 8761592, 10013248, 13142388, 13566336, 15019872, 17523184, 20026496, 26284776, 30039744, 35046368, 52569552, 60079488, 70092736, 105139104, 140185472, 210278208, 420556416]

約数ペア:

[(1, 420556416), (2, 210278208), (3, 140185472), (4, 105139104), (6, 70092736), (7, 60079488), (8, 52569552), (12, 35046368), (14, 30039744), (16, 26284776), (21, 20026496), (24, 17523184), (28, 15019872), (31, 13566336), (32, 13142388), (42, 10013248), (48, 8761592), (49, 8582784), (56, 7509936), (62, 6783168), (64, 6571194), (84, 5006624), (93, 4522112), (96, 4380796), (98, 4291392), (103, 4083072), (112, 3754968), (124, 3391584), (128, 3285597), (147, 2860928), (168, 2503312), (186, 2261056), (192, 2190398), (196, 2145696), (206, 2041536), (217, 1938048), (224, 1877484), (248, 1695792), (294, 1430464), (309, 1361024), (336, 1251656), (343, 1226112), (372, 1130528), (384, 1095199), (392, 1072848), (412, 1020768), (434, 969024), (448, 938742), (496, 847896), (588, 715232), (618, 680512), (651, 646016), (672, 625828), (686, 613056), (721, 583296), (744, 565264), (784, 536424), (824, 510384), (868, 484512), (896, 469371), (992, 423948), (1029, 408704), (1176, 357616), (1236, 340256), (1302, 323008), (1344, 312914), (1372, 306528), (1442, 291648), (1488, 282632), (1519, 276864), (1568, 268212), (1648, 255192), (1736, 242256), (1984, 211974), (2058, 204352), (2163, 194432), (2352, 178808), (2472, 170128), (2604, 161504), (2688, 156457), (2744, 153264), (2884, 145824), (2976, 141316), (3038, 138432), (3136, 134106), (3193, 131712), (3296, 127596), (3472, 121128), (3968, 105987), (4116, 102176), (4326, 97216), (4557, 92288), (4704, 89404), (4944, 85064), (5047, 83328), (5208, 80752), (5488, 76632), (5768, 72912), (5952, 70658), (6076, 69216), (6272, 67053), (6386, 65856), (6592, 63798), (6944, 60564), (8232, 51088), (8652, 48608), (9114, 46144), (9408, 44702), (9579, 43904), (9888, 42532), (10094, 41664), (10416, 40376), (10633, 39552), (10976, 38316), (11536, 36456), (11904, 35329), (12152, 34608), (12772, 32928), (13184, 31899), (13888, 30282), (15141, 27776), (16464, 25544), (17304, 24304), (18228, 23072), (18816, 22351), (19158, 21952), (19776, 21266), (20188, 20832)]