27704880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 240

約数和(自身を含む): 111421440

約数和(自身を除く): 83716560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 239, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 478, 483, 504, 552, 560, 630, 644, 690, 717, 720, 805, 828, 840, 920, 956, 966, 1008, 1035, 1104, 1195, 1260, 1288, 1380, 1434, 1449, 1610, 1656, 1673, 1680, 1840, 1912, 1932, 2070, 2151, 2390, 2415, 2520, 2576, 2760, 2868, 2898, 3220, 3312, 3346, 3585, 3824, 3864, 4140, 4302, 4780, 4830, 5019, 5040, 5497, 5520, 5736, 5796, 6440, 6692, 7170, 7245, 7728, 8280, 8365, 8604, 9560, 9660, 10038, 10755, 10994, 11472, 11592, 12880, 13384, 14340, 14490, 15057, 16491, 16560, 16730, 17208, 19120, 19320, 20076, 21510, 21988, 23184, 25095, 26768, 27485, 28680, 28980, 30114, 32982, 33460, 34416, 38479, 38640, 40152, 43020, 43976, 49473, 50190, 54970, 57360, 57960, 60228, 65964, 66920, 75285, 76958, 80304, 82455, 86040, 87952, 98946, 100380, 109940, 115437, 115920, 120456, 131928, 133840, 150570, 153916, 164910, 172080, 192395, 197892, 200760, 219880, 230874, 240912, 247365, 263856, 301140, 307832, 329820, 346311, 384790, 395784, 401520, 439760, 461748, 494730, 577185, 602280, 615664, 659640, 692622, 769580, 791568, 923496, 989460, 1154370, 1204560, 1319280, 1385244, 1539160, 1731555, 1846992, 1978920, 2308740, 2770488, 3078320, 3463110, 3957840, 4617480, 5540976, 6926220, 9234960, 13852440, 27704880]

約数ペア:

[(1, 27704880), (2, 13852440), (3, 9234960), (4, 6926220), (5, 5540976), (6, 4617480), (7, 3957840), (8, 3463110), (9, 3078320), (10, 2770488), (12, 2308740), (14, 1978920), (15, 1846992), (16, 1731555), (18, 1539160), (20, 1385244), (21, 1319280), (23, 1204560), (24, 1154370), (28, 989460), (30, 923496), (35, 791568), (36, 769580), (40, 692622), (42, 659640), (45, 615664), (46, 602280), (48, 577185), (56, 494730), (60, 461748), (63, 439760), (69, 401520), (70, 395784), (72, 384790), (80, 346311), (84, 329820), (90, 307832), (92, 301140), (105, 263856), (112, 247365), (115, 240912), (120, 230874), (126, 219880), (138, 200760), (140, 197892), (144, 192395), (161, 172080), (168, 164910), (180, 153916), (184, 150570), (207, 133840), (210, 131928), (230, 120456), (239, 115920), (240, 115437), (252, 109940), (276, 100380), (280, 98946), (315, 87952), (322, 86040), (336, 82455), (345, 80304), (360, 76958), (368, 75285), (414, 66920), (420, 65964), (460, 60228), (478, 57960), (483, 57360), (504, 54970), (552, 50190), (560, 49473), (630, 43976), (644, 43020), (690, 40152), (717, 38640), (720, 38479), (805, 34416), (828, 33460), (840, 32982), (920, 30114), (956, 28980), (966, 28680), (1008, 27485), (1035, 26768), (1104, 25095), (1195, 23184), (1260, 21988), (1288, 21510), (1380, 20076), (1434, 19320), (1449, 19120), (1610, 17208), (1656, 16730), (1673, 16560), (1680, 16491), (1840, 15057), (1912, 14490), (1932, 14340), (2070, 13384), (2151, 12880), (2390, 11592), (2415, 11472), (2520, 10994), (2576, 10755), (2760, 10038), (2868, 9660), (2898, 9560), (3220, 8604), (3312, 8365), (3346, 8280), (3585, 7728), (3824, 7245), (3864, 7170), (4140, 6692), (4302, 6440), (4780, 5796), (4830, 5736), (5019, 5520), (5040, 5497)]