1987399680

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{4621}}^1$

素因数の和:4660

約数の個数: 208

約数和(自身を含む): 7268889984

約数和(自身を除く): 5281490304

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, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2048, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 4096, 4480, 4621, 5120, 5376, 6144, 6720, 7168, 7680, 8960, 9242, 10240, 10752, 12288, 13440, 13863, 14336, 15360, 17920, 18484, 20480, 21504, 23105, 26880, 27726, 28672, 30720, 32347, 35840, 36968, 43008, 46210, 53760, 55452, 61440, 64694, 69315, 71680, 73936, 86016, 92420, 97041, 107520, 110904, 129388, 138630, 143360, 147872, 161735, 184840, 194082, 215040, 221808, 258776, 277260, 295744, 323470, 369680, 388164, 430080, 443616, 485205, 517552, 554520, 591488, 646940, 739360, 776328, 887232, 970410, 1035104, 1109040, 1182976, 1293880, 1478720, 1552656, 1774464, 1940820, 2070208, 2218080, 2365952, 2587760, 2957440, 3105312, 3548928, 3881640, 4140416, 4436160, 4731904, 5175520, 5914880, 6210624, 7097856, 7763280, 8280832, 8872320, 9463808, 10351040, 11829760, 12421248, 14195712, 15526560, 16561664, 17744640, 18927616, 20702080, 23659520, 24842496, 28391424, 31053120, 33123328, 35489280, 41404160, 47319040, 49684992, 56782848, 62106240, 66246656, 70978560, 82808320, 94638080, 99369984, 124212480, 132493312, 141957120, 165616640, 198739968, 248424960, 283914240, 331233280, 397479936, 496849920, 662466560, 993699840, 1987399680]

約数ペア:

[(1, 1987399680), (2, 993699840), (3, 662466560), (4, 496849920), (5, 397479936), (6, 331233280), (7, 283914240), (8, 248424960), (10, 198739968), (12, 165616640), (14, 141957120), (15, 132493312), (16, 124212480), (20, 99369984), (21, 94638080), (24, 82808320), (28, 70978560), (30, 66246656), (32, 62106240), (35, 56782848), (40, 49684992), (42, 47319040), (48, 41404160), (56, 35489280), (60, 33123328), (64, 31053120), (70, 28391424), (80, 24842496), (84, 23659520), (96, 20702080), (105, 18927616), (112, 17744640), (120, 16561664), (128, 15526560), (140, 14195712), (160, 12421248), (168, 11829760), (192, 10351040), (210, 9463808), (224, 8872320), (240, 8280832), (256, 7763280), (280, 7097856), (320, 6210624), (336, 5914880), (384, 5175520), (420, 4731904), (448, 4436160), (480, 4140416), (512, 3881640), (560, 3548928), (640, 3105312), (672, 2957440), (768, 2587760), (840, 2365952), (896, 2218080), (960, 2070208), (1024, 1940820), (1120, 1774464), (1280, 1552656), (1344, 1478720), (1536, 1293880), (1680, 1182976), (1792, 1109040), (1920, 1035104), (2048, 970410), (2240, 887232), (2560, 776328), (2688, 739360), (3072, 646940), (3360, 591488), (3584, 554520), (3840, 517552), (4096, 485205), (4480, 443616), (4621, 430080), (5120, 388164), (5376, 369680), (6144, 323470), (6720, 295744), (7168, 277260), (7680, 258776), (8960, 221808), (9242, 215040), (10240, 194082), (10752, 184840), (12288, 161735), (13440, 147872), (13863, 143360), (14336, 138630), (15360, 129388), (17920, 110904), (18484, 107520), (20480, 97041), (21504, 92420), (23105, 86016), (26880, 73936), (27726, 71680), (28672, 69315), (30720, 64694), (32347, 61440), (35840, 55452), (36968, 53760), (43008, 46210)]