64807680

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{2411}}^1$

素因数の和:2442

約数の個数: 144

約数和(自身を含む): 236646144

約数和(自身を除く): 171838464

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, 2411, 2688, 3360, 3840, 4480, 4822, 5376, 6720, 7233, 8960, 9644, 12055, 13440, 14466, 16877, 19288, 24110, 26880, 28932, 33754, 36165, 38576, 48220, 50631, 57864, 67508, 72330, 77152, 84385, 96440, 101262, 115728, 135016, 144660, 154304, 168770, 192880, 202524, 231456, 253155, 270032, 289320, 308608, 337540, 385760, 405048, 462912, 506310, 540064, 578640, 617216, 675080, 771520, 810096, 925824, 1012620, 1080128, 1157280, 1350160, 1543040, 1620192, 1851648, 2025240, 2160256, 2314560, 2700320, 3086080, 3240384, 4050480, 4320512, 4629120, 5400640, 6480768, 8100960, 9258240, 10801280, 12961536, 16201920, 21602560, 32403840, 64807680]

約数ペア:

[(1, 64807680), (2, 32403840), (3, 21602560), (4, 16201920), (5, 12961536), (6, 10801280), (7, 9258240), (8, 8100960), (10, 6480768), (12, 5400640), (14, 4629120), (15, 4320512), (16, 4050480), (20, 3240384), (21, 3086080), (24, 2700320), (28, 2314560), (30, 2160256), (32, 2025240), (35, 1851648), (40, 1620192), (42, 1543040), (48, 1350160), (56, 1157280), (60, 1080128), (64, 1012620), (70, 925824), (80, 810096), (84, 771520), (96, 675080), (105, 617216), (112, 578640), (120, 540064), (128, 506310), (140, 462912), (160, 405048), (168, 385760), (192, 337540), (210, 308608), (224, 289320), (240, 270032), (256, 253155), (280, 231456), (320, 202524), (336, 192880), (384, 168770), (420, 154304), (448, 144660), (480, 135016), (560, 115728), (640, 101262), (672, 96440), (768, 84385), (840, 77152), (896, 72330), (960, 67508), (1120, 57864), (1280, 50631), (1344, 48220), (1680, 38576), (1792, 36165), (1920, 33754), (2240, 28932), (2411, 26880), (2688, 24110), (3360, 19288), (3840, 16877), (4480, 14466), (4822, 13440), (5376, 12055), (6720, 9644), (7233, 8960)]