640730496

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{683}}^1$

素因数の和:1056

約数の個数: 128

約数和(自身を含む): 1953504000

約数和(自身を除く): 1312773504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 349, 384, 448, 672, 683, 698, 896, 1047, 1344, 1366, 1396, 2049, 2094, 2443, 2688, 2732, 2792, 4098, 4188, 4781, 4886, 5464, 5584, 7329, 8196, 8376, 9562, 9772, 10928, 11168, 14343, 14658, 16392, 16752, 19124, 19544, 21856, 22336, 28686, 29316, 32784, 33504, 38248, 39088, 43712, 44672, 57372, 58632, 65568, 67008, 76496, 78176, 87424, 114744, 117264, 131136, 134016, 152992, 156352, 229488, 234528, 238367, 262272, 305984, 312704, 458976, 469056, 476734, 611968, 715101, 917952, 938112, 953468, 1430202, 1668569, 1835904, 1906936, 2860404, 3337138, 3813872, 5005707, 5720808, 6674276, 7627744, 10011414, 11441616, 13348552, 15255488, 20022828, 22883232, 26697104, 30510976, 40045656, 45766464, 53394208, 80091312, 91532928, 106788416, 160182624, 213576832, 320365248, 640730496]

約数ペア:

[(1, 640730496), (2, 320365248), (3, 213576832), (4, 160182624), (6, 106788416), (7, 91532928), (8, 80091312), (12, 53394208), (14, 45766464), (16, 40045656), (21, 30510976), (24, 26697104), (28, 22883232), (32, 20022828), (42, 15255488), (48, 13348552), (56, 11441616), (64, 10011414), (84, 7627744), (96, 6674276), (112, 5720808), (128, 5005707), (168, 3813872), (192, 3337138), (224, 2860404), (336, 1906936), (349, 1835904), (384, 1668569), (448, 1430202), (672, 953468), (683, 938112), (698, 917952), (896, 715101), (1047, 611968), (1344, 476734), (1366, 469056), (1396, 458976), (2049, 312704), (2094, 305984), (2443, 262272), (2688, 238367), (2732, 234528), (2792, 229488), (4098, 156352), (4188, 152992), (4781, 134016), (4886, 131136), (5464, 117264), (5584, 114744), (7329, 87424), (8196, 78176), (8376, 76496), (9562, 67008), (9772, 65568), (10928, 58632), (11168, 57372), (14343, 44672), (14658, 43712), (16392, 39088), (16752, 38248), (19124, 33504), (19544, 32784), (21856, 29316), (22336, 28686)]