128905728

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 160

約数和(自身を含む): 413783040

約数和(自身を除く): 284877312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 256, 266, 304, 336, 384, 399, 448, 456, 512, 532, 608, 631, 672, 768, 798, 896, 912, 1064, 1216, 1262, 1344, 1536, 1596, 1792, 1824, 1893, 2128, 2432, 2524, 2688, 3192, 3584, 3648, 3786, 4256, 4417, 4864, 5048, 5376, 6384, 7296, 7572, 8512, 8834, 9728, 10096, 10752, 11989, 12768, 13251, 14592, 15144, 17024, 17668, 20192, 23978, 25536, 26502, 29184, 30288, 34048, 35336, 35967, 40384, 47956, 51072, 53004, 60576, 68096, 70672, 71934, 80768, 83923, 95912, 102144, 106008, 121152, 141344, 143868, 161536, 167846, 191824, 204288, 212016, 242304, 251769, 282688, 287736, 323072, 335692, 383648, 424032, 484608, 503538, 565376, 575472, 671384, 767296, 848064, 969216, 1007076, 1130752, 1150944, 1342768, 1534592, 1696128, 2014152, 2261504, 2301888, 2685536, 3069184, 3392256, 4028304, 4603776, 5371072, 6138368, 6784512, 8056608, 9207552, 10742144, 16113216, 18415104, 21484288, 32226432, 42968576, 64452864, 128905728]

約数ペア:

[(1, 128905728), (2, 64452864), (3, 42968576), (4, 32226432), (6, 21484288), (7, 18415104), (8, 16113216), (12, 10742144), (14, 9207552), (16, 8056608), (19, 6784512), (21, 6138368), (24, 5371072), (28, 4603776), (32, 4028304), (38, 3392256), (42, 3069184), (48, 2685536), (56, 2301888), (57, 2261504), (64, 2014152), (76, 1696128), (84, 1534592), (96, 1342768), (112, 1150944), (114, 1130752), (128, 1007076), (133, 969216), (152, 848064), (168, 767296), (192, 671384), (224, 575472), (228, 565376), (256, 503538), (266, 484608), (304, 424032), (336, 383648), (384, 335692), (399, 323072), (448, 287736), (456, 282688), (512, 251769), (532, 242304), (608, 212016), (631, 204288), (672, 191824), (768, 167846), (798, 161536), (896, 143868), (912, 141344), (1064, 121152), (1216, 106008), (1262, 102144), (1344, 95912), (1536, 83923), (1596, 80768), (1792, 71934), (1824, 70672), (1893, 68096), (2128, 60576), (2432, 53004), (2524, 51072), (2688, 47956), (3192, 40384), (3584, 35967), (3648, 35336), (3786, 34048), (4256, 30288), (4417, 29184), (4864, 26502), (5048, 25536), (5376, 23978), (6384, 20192), (7296, 17668), (7572, 17024), (8512, 15144), (8834, 14592), (9728, 13251), (10096, 12768), (10752, 11989)]