257670720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{9941}}^1$

素因数の和:9970

約数の個数: 140

約数和(自身を含む): 916672284

約数和(自身を除く): 659001564

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 9941, 12960, 19882, 25920, 29823, 39764, 49705, 59646, 79528, 89469, 99410, 119292, 149115, 159056, 178938, 198820, 238584, 268407, 298230, 318112, 357876, 397640, 447345, 477168, 536814, 596460, 636224, 715752, 795280, 805221, 894690, 954336, 1073628, 1192920, 1342035, 1431504, 1590560, 1610442, 1789380, 1908672, 2147256, 2385840, 2684070, 2863008, 3181120, 3220884, 3578760, 4026105, 4294512, 4771680, 5368140, 5726016, 6441768, 7157520, 8052210, 8589024, 9543360, 10736280, 12883536, 14315040, 16104420, 17178048, 21472560, 25767072, 28630080, 32208840, 42945120, 51534144, 64417680, 85890240, 128835360, 257670720]

約数ペア:

[(1, 257670720), (2, 128835360), (3, 85890240), (4, 64417680), (5, 51534144), (6, 42945120), (8, 32208840), (9, 28630080), (10, 25767072), (12, 21472560), (15, 17178048), (16, 16104420), (18, 14315040), (20, 12883536), (24, 10736280), (27, 9543360), (30, 8589024), (32, 8052210), (36, 7157520), (40, 6441768), (45, 5726016), (48, 5368140), (54, 4771680), (60, 4294512), (64, 4026105), (72, 3578760), (80, 3220884), (81, 3181120), (90, 2863008), (96, 2684070), (108, 2385840), (120, 2147256), (135, 1908672), (144, 1789380), (160, 1610442), (162, 1590560), (180, 1431504), (192, 1342035), (216, 1192920), (240, 1073628), (270, 954336), (288, 894690), (320, 805221), (324, 795280), (360, 715752), (405, 636224), (432, 596460), (480, 536814), (540, 477168), (576, 447345), (648, 397640), (720, 357876), (810, 318112), (864, 298230), (960, 268407), (1080, 238584), (1296, 198820), (1440, 178938), (1620, 159056), (1728, 149115), (2160, 119292), (2592, 99410), (2880, 89469), (3240, 79528), (4320, 59646), (5184, 49705), (6480, 39764), (8640, 29823), (9941, 25920), (12960, 19882)]