208489680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13789}}^1$

素因数の和:13818

約数の個数: 160

約数和(自身を含む): 820780800

約数和(自身を除く): 612291120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 13789, 15120, 27578, 41367, 55156, 68945, 82734, 96523, 110312, 124101, 137890, 165468, 193046, 206835, 220624, 248202, 275780, 289569, 330936, 372303, 386092, 413670, 482615, 496404, 551560, 579138, 620505, 661872, 744606, 772184, 827340, 868707, 965230, 992808, 1103120, 1158276, 1241010, 1447845, 1489212, 1544368, 1654680, 1737414, 1861515, 1930460, 1985616, 2316552, 2482020, 2606121, 2895690, 2978424, 3309360, 3474828, 3723030, 3860920, 4343535, 4633104, 4964040, 5212242, 5791380, 5956848, 6949656, 7446060, 7721840, 8687070, 9928080, 10424484, 11582760, 13030605, 13899312, 14892120, 17374140, 20848968, 23165520, 26061210, 29784240, 34748280, 41697936, 52122420, 69496560, 104244840, 208489680]

約数ペア:

[(1, 208489680), (2, 104244840), (3, 69496560), (4, 52122420), (5, 41697936), (6, 34748280), (7, 29784240), (8, 26061210), (9, 23165520), (10, 20848968), (12, 17374140), (14, 14892120), (15, 13899312), (16, 13030605), (18, 11582760), (20, 10424484), (21, 9928080), (24, 8687070), (27, 7721840), (28, 7446060), (30, 6949656), (35, 5956848), (36, 5791380), (40, 5212242), (42, 4964040), (45, 4633104), (48, 4343535), (54, 3860920), (56, 3723030), (60, 3474828), (63, 3309360), (70, 2978424), (72, 2895690), (80, 2606121), (84, 2482020), (90, 2316552), (105, 1985616), (108, 1930460), (112, 1861515), (120, 1737414), (126, 1654680), (135, 1544368), (140, 1489212), (144, 1447845), (168, 1241010), (180, 1158276), (189, 1103120), (210, 992808), (216, 965230), (240, 868707), (252, 827340), (270, 772184), (280, 744606), (315, 661872), (336, 620505), (360, 579138), (378, 551560), (420, 496404), (432, 482615), (504, 413670), (540, 386092), (560, 372303), (630, 330936), (720, 289569), (756, 275780), (840, 248202), (945, 220624), (1008, 206835), (1080, 193046), (1260, 165468), (1512, 137890), (1680, 124101), (1890, 110312), (2160, 96523), (2520, 82734), (3024, 68945), (3780, 55156), (5040, 41367), (7560, 27578), (13789, 15120)]