21070080

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 76527360

約数和(自身を除く): 55457280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 59, 60, 62, 64, 72, 80, 90, 93, 96, 118, 120, 124, 128, 144, 155, 160, 177, 180, 186, 192, 236, 240, 248, 256, 279, 288, 295, 310, 320, 354, 360, 372, 384, 465, 472, 480, 496, 531, 558, 576, 590, 620, 640, 708, 720, 744, 768, 885, 930, 944, 960, 992, 1062, 1116, 1152, 1180, 1240, 1280, 1395, 1416, 1440, 1488, 1770, 1829, 1860, 1888, 1920, 1984, 2124, 2232, 2304, 2360, 2480, 2655, 2790, 2832, 2880, 2976, 3540, 3658, 3720, 3776, 3840, 3968, 4248, 4464, 4720, 4960, 5310, 5487, 5580, 5664, 5760, 5952, 7080, 7316, 7440, 7552, 7936, 8496, 8928, 9145, 9440, 9920, 10620, 10974, 11160, 11328, 11520, 11904, 14160, 14632, 14880, 15104, 16461, 16992, 17856, 18290, 18880, 19840, 21240, 21948, 22320, 22656, 23808, 27435, 28320, 29264, 29760, 32922, 33984, 35712, 36580, 37760, 39680, 42480, 43896, 44640, 45312, 54870, 56640, 58528, 59520, 65844, 67968, 71424, 73160, 75520, 82305, 84960, 87792, 89280, 109740, 113280, 117056, 119040, 131688, 135936, 146320, 164610, 169920, 175584, 178560, 219480, 226560, 234112, 263376, 292640, 329220, 339840, 351168, 357120, 438960, 468224, 526752, 585280, 658440, 679680, 702336, 877920, 1053504, 1170560, 1316880, 1404672, 1755840, 2107008, 2341120, 2633760, 3511680, 4214016, 5267520, 7023360, 10535040, 21070080]

約数ペア:

[(1, 21070080), (2, 10535040), (3, 7023360), (4, 5267520), (5, 4214016), (6, 3511680), (8, 2633760), (9, 2341120), (10, 2107008), (12, 1755840), (15, 1404672), (16, 1316880), (18, 1170560), (20, 1053504), (24, 877920), (30, 702336), (31, 679680), (32, 658440), (36, 585280), (40, 526752), (45, 468224), (48, 438960), (59, 357120), (60, 351168), (62, 339840), (64, 329220), (72, 292640), (80, 263376), (90, 234112), (93, 226560), (96, 219480), (118, 178560), (120, 175584), (124, 169920), (128, 164610), (144, 146320), (155, 135936), (160, 131688), (177, 119040), (180, 117056), (186, 113280), (192, 109740), (236, 89280), (240, 87792), (248, 84960), (256, 82305), (279, 75520), (288, 73160), (295, 71424), (310, 67968), (320, 65844), (354, 59520), (360, 58528), (372, 56640), (384, 54870), (465, 45312), (472, 44640), (480, 43896), (496, 42480), (531, 39680), (558, 37760), (576, 36580), (590, 35712), (620, 33984), (640, 32922), (708, 29760), (720, 29264), (744, 28320), (768, 27435), (885, 23808), (930, 22656), (944, 22320), (960, 21948), (992, 21240), (1062, 19840), (1116, 18880), (1152, 18290), (1180, 17856), (1240, 16992), (1280, 16461), (1395, 15104), (1416, 14880), (1440, 14632), (1488, 14160), (1770, 11904), (1829, 11520), (1860, 11328), (1888, 11160), (1920, 10974), (1984, 10620), (2124, 9920), (2232, 9440), (2304, 9145), (2360, 8928), (2480, 8496), (2655, 7936), (2790, 7552), (2832, 7440), (2880, 7316), (2976, 7080), (3540, 5952), (3658, 5760), (3720, 5664), (3776, 5580), (3840, 5487), (3968, 5310), (4248, 4960), (4464, 4720)]