128002560

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{2381}}^1$

素因数の和:2414

約数の個数: 160

約数和(自身を含む): 467862912

約数和(自身を除く): 339860352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2381, 2560, 2688, 3360, 3584, 3840, 4480, 4762, 5376, 6720, 7143, 7680, 8960, 9524, 10752, 11905, 13440, 14286, 16667, 17920, 19048, 23810, 26880, 28572, 33334, 35715, 38096, 47620, 50001, 53760, 57144, 66668, 71430, 76192, 83335, 95240, 100002, 114288, 133336, 142860, 152384, 166670, 190480, 200004, 228576, 250005, 266672, 285720, 304768, 333340, 380960, 400008, 457152, 500010, 533344, 571440, 609536, 666680, 761920, 800016, 914304, 1000020, 1066688, 1142880, 1219072, 1333360, 1523840, 1600032, 1828608, 2000040, 2133376, 2285760, 2666720, 3047680, 3200064, 3657216, 4000080, 4266752, 4571520, 5333440, 6095360, 6400128, 8000160, 8533504, 9143040, 10666880, 12800256, 16000320, 18286080, 21333760, 25600512, 32000640, 42667520, 64001280, 128002560]

約数ペア:

[(1, 128002560), (2, 64001280), (3, 42667520), (4, 32000640), (5, 25600512), (6, 21333760), (7, 18286080), (8, 16000320), (10, 12800256), (12, 10666880), (14, 9143040), (15, 8533504), (16, 8000160), (20, 6400128), (21, 6095360), (24, 5333440), (28, 4571520), (30, 4266752), (32, 4000080), (35, 3657216), (40, 3200064), (42, 3047680), (48, 2666720), (56, 2285760), (60, 2133376), (64, 2000040), (70, 1828608), (80, 1600032), (84, 1523840), (96, 1333360), (105, 1219072), (112, 1142880), (120, 1066688), (128, 1000020), (140, 914304), (160, 800016), (168, 761920), (192, 666680), (210, 609536), (224, 571440), (240, 533344), (256, 500010), (280, 457152), (320, 400008), (336, 380960), (384, 333340), (420, 304768), (448, 285720), (480, 266672), (512, 250005), (560, 228576), (640, 200004), (672, 190480), (768, 166670), (840, 152384), (896, 142860), (960, 133336), (1120, 114288), (1280, 100002), (1344, 95240), (1536, 83335), (1680, 76192), (1792, 71430), (1920, 66668), (2240, 57144), (2381, 53760), (2560, 50001), (2688, 47620), (3360, 38096), (3584, 35715), (3840, 33334), (4480, 28572), (4762, 26880), (5376, 23810), (6720, 19048), (7143, 17920), (7680, 16667), (8960, 14286), (9524, 13440), (10752, 11905)]