64001280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{2381}}^1$

素因数の和:2412

約数の個数: 144

約数和(自身を含む): 233702784

約数和(自身を除く): 169701504

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, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2381, 2688, 3360, 3840, 4480, 4762, 5376, 6720, 7143, 8960, 9524, 11905, 13440, 14286, 16667, 19048, 23810, 26880, 28572, 33334, 35715, 38096, 47620, 50001, 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, 1333360, 1523840, 1600032, 1828608, 2000040, 2133376, 2285760, 2666720, 3047680, 3200064, 4000080, 4266752, 4571520, 5333440, 6400128, 8000160, 9143040, 10666880, 12800256, 16000320, 21333760, 32000640, 64001280]

約数ペア:

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