264915840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:909

約数の個数: 256

約数和(自身を含む): 1008184320

約数和(自身を除く): 743268480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 805, 840, 857, 896, 920, 960, 966, 1104, 1120, 1288, 1344, 1380, 1472, 1610, 1680, 1714, 1840, 1920, 1932, 2208, 2240, 2415, 2571, 2576, 2688, 2760, 2944, 3220, 3360, 3428, 3680, 3864, 4285, 4416, 4480, 4830, 5142, 5152, 5520, 5999, 6440, 6720, 6856, 7360, 7728, 8570, 8832, 9660, 10284, 10304, 11040, 11998, 12855, 12880, 13440, 13712, 14720, 15456, 17140, 17997, 19320, 19711, 20568, 20608, 22080, 23996, 25710, 25760, 27424, 29995, 30912, 34280, 35994, 38640, 39422, 41136, 44160, 47992, 51420, 51520, 54848, 59133, 59990, 61824, 68560, 71988, 77280, 78844, 82272, 89985, 95984, 98555, 102840, 103040, 109696, 118266, 119980, 137120, 137977, 143976, 154560, 157688, 164544, 179970, 191968, 197110, 205680, 236532, 239960, 274240, 275954, 287952, 295665, 309120, 315376, 329088, 359940, 383936, 394220, 411360, 413931, 473064, 479920, 548480, 551908, 575904, 591330, 630752, 689885, 719880, 767872, 788440, 822720, 827862, 946128, 959840, 1103816, 1151808, 1182660, 1261504, 1379770, 1439760, 1576880, 1645440, 1655724, 1892256, 1919680, 2069655, 2207632, 2303616, 2365320, 2523008, 2759540, 2879520, 3153760, 3311448, 3784512, 3839360, 4139310, 4415264, 4730640, 5519080, 5759040, 6307520, 6622896, 7569024, 8278620, 8830528, 9461280, 11038160, 11518080, 12615040, 13245792, 16557240, 17661056, 18922560, 22076320, 26491584, 33114480, 37845120, 44152640, 52983168, 66228960, 88305280, 132457920, 264915840]

約数ペア:

[(1, 264915840), (2, 132457920), (3, 88305280), (4, 66228960), (5, 52983168), (6, 44152640), (7, 37845120), (8, 33114480), (10, 26491584), (12, 22076320), (14, 18922560), (15, 17661056), (16, 16557240), (20, 13245792), (21, 12615040), (23, 11518080), (24, 11038160), (28, 9461280), (30, 8830528), (32, 8278620), (35, 7569024), (40, 6622896), (42, 6307520), (46, 5759040), (48, 5519080), (56, 4730640), (60, 4415264), (64, 4139310), (69, 3839360), (70, 3784512), (80, 3311448), (84, 3153760), (92, 2879520), (96, 2759540), (105, 2523008), (112, 2365320), (115, 2303616), (120, 2207632), (128, 2069655), (138, 1919680), (140, 1892256), (160, 1655724), (161, 1645440), (168, 1576880), (184, 1439760), (192, 1379770), (210, 1261504), (224, 1182660), (230, 1151808), (240, 1103816), (276, 959840), (280, 946128), (320, 827862), (322, 822720), (336, 788440), (345, 767872), (368, 719880), (384, 689885), (420, 630752), (448, 591330), (460, 575904), (480, 551908), (483, 548480), (552, 479920), (560, 473064), (640, 413931), (644, 411360), (672, 394220), (690, 383936), (736, 359940), (805, 329088), (840, 315376), (857, 309120), (896, 295665), (920, 287952), (960, 275954), (966, 274240), (1104, 239960), (1120, 236532), (1288, 205680), (1344, 197110), (1380, 191968), (1472, 179970), (1610, 164544), (1680, 157688), (1714, 154560), (1840, 143976), (1920, 137977), (1932, 137120), (2208, 119980), (2240, 118266), (2415, 109696), (2571, 103040), (2576, 102840), (2688, 98555), (2760, 95984), (2944, 89985), (3220, 82272), (3360, 78844), (3428, 77280), (3680, 71988), (3864, 68560), (4285, 61824), (4416, 59990), (4480, 59133), (4830, 54848), (5142, 51520), (5152, 51420), (5520, 47992), (5999, 44160), (6440, 41136), (6720, 39422), (6856, 38640), (7360, 35994), (7728, 34280), (8570, 30912), (8832, 29995), (9660, 27424), (10284, 25760), (10304, 25710), (11040, 23996), (11998, 22080), (12855, 20608), (12880, 20568), (13440, 19711), (13712, 19320), (14720, 17997), (15456, 17140)]