215478840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29437}}^1$

素因数の和:29512

約数の個数: 64

約数和(自身を含む): 657056160

約数和(自身を除く): 441577320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 29437, 58874, 88311, 117748, 147185, 176622, 235496, 294370, 353244, 441555, 588740, 706488, 883110, 1177480, 1766220, 1795657, 3532440, 3591314, 5386971, 7182628, 8978285, 10773942, 14365256, 17956570, 21547884, 26934855, 35913140, 43095768, 53869710, 71826280, 107739420, 215478840]

約数ペア:

[(1, 215478840), (2, 107739420), (3, 71826280), (4, 53869710), (5, 43095768), (6, 35913140), (8, 26934855), (10, 21547884), (12, 17956570), (15, 14365256), (20, 10773942), (24, 8978285), (30, 7182628), (40, 5386971), (60, 3591314), (61, 3532440), (120, 1795657), (122, 1766220), (183, 1177480), (244, 883110), (305, 706488), (366, 588740), (488, 441555), (610, 353244), (732, 294370), (915, 235496), (1220, 176622), (1464, 147185), (1830, 117748), (2440, 88311), (3660, 58874), (7320, 29437)]