12870720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 168

約数和(自身を含む): 45765720

約数和(自身を除く): 32895000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 109, 120, 123, 144, 160, 164, 180, 192, 205, 218, 240, 246, 288, 320, 327, 328, 360, 369, 410, 436, 480, 492, 545, 576, 615, 654, 656, 720, 738, 820, 872, 960, 981, 984, 1090, 1230, 1308, 1312, 1440, 1476, 1635, 1640, 1744, 1845, 1962, 1968, 2180, 2460, 2616, 2624, 2880, 2952, 3270, 3280, 3488, 3690, 3924, 3936, 4360, 4469, 4905, 4920, 5232, 5904, 6540, 6560, 6976, 7380, 7848, 7872, 8720, 8938, 9810, 9840, 10464, 11808, 13080, 13120, 13407, 14760, 15696, 17440, 17876, 19620, 19680, 20928, 22345, 23616, 26160, 26814, 29520, 31392, 34880, 35752, 39240, 39360, 40221, 44690, 52320, 53628, 59040, 62784, 67035, 71504, 78480, 80442, 89380, 104640, 107256, 118080, 134070, 143008, 156960, 160884, 178760, 201105, 214512, 268140, 286016, 313920, 321768, 357520, 402210, 429024, 536280, 643536, 715040, 804420, 858048, 1072560, 1287072, 1430080, 1608840, 2145120, 2574144, 3217680, 4290240, 6435360, 12870720]

約数ペア:

[(1, 12870720), (2, 6435360), (3, 4290240), (4, 3217680), (5, 2574144), (6, 2145120), (8, 1608840), (9, 1430080), (10, 1287072), (12, 1072560), (15, 858048), (16, 804420), (18, 715040), (20, 643536), (24, 536280), (30, 429024), (32, 402210), (36, 357520), (40, 321768), (41, 313920), (45, 286016), (48, 268140), (60, 214512), (64, 201105), (72, 178760), (80, 160884), (82, 156960), (90, 143008), (96, 134070), (109, 118080), (120, 107256), (123, 104640), (144, 89380), (160, 80442), (164, 78480), (180, 71504), (192, 67035), (205, 62784), (218, 59040), (240, 53628), (246, 52320), (288, 44690), (320, 40221), (327, 39360), (328, 39240), (360, 35752), (369, 34880), (410, 31392), (436, 29520), (480, 26814), (492, 26160), (545, 23616), (576, 22345), (615, 20928), (654, 19680), (656, 19620), (720, 17876), (738, 17440), (820, 15696), (872, 14760), (960, 13407), (981, 13120), (984, 13080), (1090, 11808), (1230, 10464), (1308, 9840), (1312, 9810), (1440, 8938), (1476, 8720), (1635, 7872), (1640, 7848), (1744, 7380), (1845, 6976), (1962, 6560), (1968, 6540), (2180, 5904), (2460, 5232), (2616, 4920), (2624, 4905), (2880, 4469), (2952, 4360), (3270, 3936), (3280, 3924), (3488, 3690)]