256488960

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 320

約数和(自身を含む): 1011935232

約数和(自身を除く): 755446272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 256, 260, 273, 280, 312, 320, 336, 364, 367, 384, 390, 416, 420, 448, 455, 480, 512, 520, 546, 560, 624, 640, 672, 728, 734, 768, 780, 832, 840, 896, 910, 960, 1040, 1092, 1101, 1120, 1248, 1280, 1344, 1365, 1456, 1468, 1536, 1560, 1664, 1680, 1792, 1820, 1835, 1920, 2080, 2184, 2202, 2240, 2496, 2560, 2569, 2688, 2730, 2912, 2936, 3120, 3328, 3360, 3584, 3640, 3670, 3840, 4160, 4368, 4404, 4480, 4771, 4992, 5138, 5376, 5460, 5505, 5824, 5872, 6240, 6656, 6720, 7280, 7340, 7680, 7707, 8320, 8736, 8808, 8960, 9542, 9984, 10276, 10752, 10920, 11010, 11648, 11744, 12480, 12845, 13440, 14313, 14560, 14680, 15414, 16640, 17472, 17616, 17920, 19084, 19968, 20552, 21840, 22020, 23296, 23488, 23855, 24960, 25690, 26880, 28626, 29120, 29360, 30828, 33280, 33397, 34944, 35232, 38168, 38535, 41104, 43680, 44040, 46592, 46976, 47710, 49920, 51380, 53760, 57252, 58240, 58720, 61656, 66794, 69888, 70464, 71565, 76336, 77070, 82208, 87360, 88080, 93952, 95420, 99840, 100191, 102760, 114504, 116480, 117440, 123312, 133588, 139776, 140928, 143130, 152672, 154140, 164416, 166985, 174720, 176160, 187904, 190840, 200382, 205520, 229008, 232960, 234880, 246624, 267176, 281856, 286260, 305344, 308280, 328832, 333970, 349440, 352320, 381680, 400764, 411040, 458016, 469760, 493248, 500955, 534352, 563712, 572520, 610688, 616560, 657664, 667940, 698880, 704640, 763360, 801528, 822080, 916032, 939520, 986496, 1001910, 1068704, 1145040, 1221376, 1233120, 1315328, 1335880, 1409280, 1526720, 1603056, 1644160, 1832064, 1972992, 2003820, 2137408, 2290080, 2442752, 2466240, 2671760, 2818560, 3053440, 3206112, 3288320, 3664128, 3945984, 4007640, 4274816, 4580160, 4932480, 5343520, 6106880, 6412224, 6576640, 7328256, 8015280, 8549632, 9160320, 9864960, 10687040, 12213760, 12824448, 16030560, 17099264, 18320640, 19729920, 21374080, 25648896, 32061120, 36641280, 42748160, 51297792, 64122240, 85496320, 128244480, 256488960]

約数ペア:

[(1, 256488960), (2, 128244480), (3, 85496320), (4, 64122240), (5, 51297792), (6, 42748160), (7, 36641280), (8, 32061120), (10, 25648896), (12, 21374080), (13, 19729920), (14, 18320640), (15, 17099264), (16, 16030560), (20, 12824448), (21, 12213760), (24, 10687040), (26, 9864960), (28, 9160320), (30, 8549632), (32, 8015280), (35, 7328256), (39, 6576640), (40, 6412224), (42, 6106880), (48, 5343520), (52, 4932480), (56, 4580160), (60, 4274816), (64, 4007640), (65, 3945984), (70, 3664128), (78, 3288320), (80, 3206112), (84, 3053440), (91, 2818560), (96, 2671760), (104, 2466240), (105, 2442752), (112, 2290080), (120, 2137408), (128, 2003820), (130, 1972992), (140, 1832064), (156, 1644160), (160, 1603056), (168, 1526720), (182, 1409280), (192, 1335880), (195, 1315328), (208, 1233120), (210, 1221376), (224, 1145040), (240, 1068704), (256, 1001910), (260, 986496), (273, 939520), (280, 916032), (312, 822080), (320, 801528), (336, 763360), (364, 704640), (367, 698880), (384, 667940), (390, 657664), (416, 616560), (420, 610688), (448, 572520), (455, 563712), (480, 534352), (512, 500955), (520, 493248), (546, 469760), (560, 458016), (624, 411040), (640, 400764), (672, 381680), (728, 352320), (734, 349440), (768, 333970), (780, 328832), (832, 308280), (840, 305344), (896, 286260), (910, 281856), (960, 267176), (1040, 246624), (1092, 234880), (1101, 232960), (1120, 229008), (1248, 205520), (1280, 200382), (1344, 190840), (1365, 187904), (1456, 176160), (1468, 174720), (1536, 166985), (1560, 164416), (1664, 154140), (1680, 152672), (1792, 143130), (1820, 140928), (1835, 139776), (1920, 133588), (2080, 123312), (2184, 117440), (2202, 116480), (2240, 114504), (2496, 102760), (2560, 100191), (2569, 99840), (2688, 95420), (2730, 93952), (2912, 88080), (2936, 87360), (3120, 82208), (3328, 77070), (3360, 76336), (3584, 71565), (3640, 70464), (3670, 69888), (3840, 66794), (4160, 61656), (4368, 58720), (4404, 58240), (4480, 57252), (4771, 53760), (4992, 51380), (5138, 49920), (5376, 47710), (5460, 46976), (5505, 46592), (5824, 44040), (5872, 43680), (6240, 41104), (6656, 38535), (6720, 38168), (7280, 35232), (7340, 34944), (7680, 33397), (7707, 33280), (8320, 30828), (8736, 29360), (8808, 29120), (8960, 28626), (9542, 26880), (9984, 25690), (10276, 24960), (10752, 23855), (10920, 23488), (11010, 23296), (11648, 22020), (11744, 21840), (12480, 20552), (12845, 19968), (13440, 19084), (14313, 17920), (14560, 17616), (14680, 17472), (15414, 16640)]