15721794160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{27367}}^1$

素因数の和:27590

約数の個数: 80

約数和(自身を含む): 37628591616

約数和(自身を除く): 21906797456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 167, 172, 215, 334, 344, 430, 668, 688, 835, 860, 1336, 1670, 1720, 2672, 3340, 3440, 6680, 7181, 13360, 14362, 27367, 28724, 35905, 54734, 57448, 71810, 109468, 114896, 136835, 143620, 218936, 273670, 287240, 437872, 547340, 574480, 1094680, 1176781, 2189360, 2353562, 4570289, 4707124, 5883905, 9140578, 9414248, 11767810, 18281156, 18828496, 22851445, 23535620, 36562312, 45702890, 47071240, 73124624, 91405780, 94142480, 182811560, 196522427, 365623120, 393044854, 786089708, 982612135, 1572179416, 1965224270, 3144358832, 3930448540, 7860897080, 15721794160]

約数ペア:

[(1, 15721794160), (2, 7860897080), (4, 3930448540), (5, 3144358832), (8, 1965224270), (10, 1572179416), (16, 982612135), (20, 786089708), (40, 393044854), (43, 365623120), (80, 196522427), (86, 182811560), (167, 94142480), (172, 91405780), (215, 73124624), (334, 47071240), (344, 45702890), (430, 36562312), (668, 23535620), (688, 22851445), (835, 18828496), (860, 18281156), (1336, 11767810), (1670, 9414248), (1720, 9140578), (2672, 5883905), (3340, 4707124), (3440, 4570289), (6680, 2353562), (7181, 2189360), (13360, 1176781), (14362, 1094680), (27367, 574480), (28724, 547340), (35905, 437872), (54734, 287240), (57448, 273670), (71810, 218936), (109468, 143620), (114896, 136835)]