28277760

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1$

素因数の和:298

約数の個数: 176

約数和(自身を含む): 103758336

約数和(自身を除く): 75480576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 263, 280, 320, 336, 384, 420, 448, 480, 512, 526, 560, 640, 672, 768, 789, 840, 896, 960, 1024, 1052, 1120, 1280, 1315, 1344, 1536, 1578, 1680, 1792, 1841, 1920, 2104, 2240, 2560, 2630, 2688, 3072, 3156, 3360, 3584, 3682, 3840, 3945, 4208, 4480, 5120, 5260, 5376, 5523, 6312, 6720, 7168, 7364, 7680, 7890, 8416, 8960, 9205, 10520, 10752, 11046, 12624, 13440, 14728, 15360, 15780, 16832, 17920, 18410, 21040, 21504, 22092, 25248, 26880, 27615, 29456, 31560, 33664, 35840, 36820, 42080, 44184, 50496, 53760, 55230, 58912, 63120, 67328, 73640, 84160, 88368, 100992, 107520, 110460, 117824, 126240, 134656, 147280, 168320, 176736, 201984, 220920, 235648, 252480, 269312, 294560, 336640, 353472, 403968, 441840, 471296, 504960, 589120, 673280, 706944, 807936, 883680, 942592, 1009920, 1178240, 1346560, 1413888, 1767360, 1885184, 2019840, 2356480, 2827776, 3534720, 4039680, 4712960, 5655552, 7069440, 9425920, 14138880, 28277760]

約数ペア:

[(1, 28277760), (2, 14138880), (3, 9425920), (4, 7069440), (5, 5655552), (6, 4712960), (7, 4039680), (8, 3534720), (10, 2827776), (12, 2356480), (14, 2019840), (15, 1885184), (16, 1767360), (20, 1413888), (21, 1346560), (24, 1178240), (28, 1009920), (30, 942592), (32, 883680), (35, 807936), (40, 706944), (42, 673280), (48, 589120), (56, 504960), (60, 471296), (64, 441840), (70, 403968), (80, 353472), (84, 336640), (96, 294560), (105, 269312), (112, 252480), (120, 235648), (128, 220920), (140, 201984), (160, 176736), (168, 168320), (192, 147280), (210, 134656), (224, 126240), (240, 117824), (256, 110460), (263, 107520), (280, 100992), (320, 88368), (336, 84160), (384, 73640), (420, 67328), (448, 63120), (480, 58912), (512, 55230), (526, 53760), (560, 50496), (640, 44184), (672, 42080), (768, 36820), (789, 35840), (840, 33664), (896, 31560), (960, 29456), (1024, 27615), (1052, 26880), (1120, 25248), (1280, 22092), (1315, 21504), (1344, 21040), (1536, 18410), (1578, 17920), (1680, 16832), (1792, 15780), (1841, 15360), (1920, 14728), (2104, 13440), (2240, 12624), (2560, 11046), (2630, 10752), (2688, 10520), (3072, 9205), (3156, 8960), (3360, 8416), (3584, 7890), (3682, 7680), (3840, 7364), (3945, 7168), (4208, 6720), (4480, 6312), (5120, 5523), (5260, 5376)]