81876120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1493}}^1$

素因数の和:1964

約数の個数: 64

約数和(自身を含む): 246330720

約数和(自身を除く): 164454600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 457, 914, 1371, 1493, 1828, 2285, 2742, 2986, 3656, 4479, 4570, 5484, 5972, 6855, 7465, 8958, 9140, 10968, 11944, 13710, 14930, 17916, 18280, 22395, 27420, 29860, 35832, 44790, 54840, 59720, 89580, 179160, 682301, 1364602, 2046903, 2729204, 3411505, 4093806, 5458408, 6823010, 8187612, 10234515, 13646020, 16375224, 20469030, 27292040, 40938060, 81876120]

約数ペア:

[(1, 81876120), (2, 40938060), (3, 27292040), (4, 20469030), (5, 16375224), (6, 13646020), (8, 10234515), (10, 8187612), (12, 6823010), (15, 5458408), (20, 4093806), (24, 3411505), (30, 2729204), (40, 2046903), (60, 1364602), (120, 682301), (457, 179160), (914, 89580), (1371, 59720), (1493, 54840), (1828, 44790), (2285, 35832), (2742, 29860), (2986, 27420), (3656, 22395), (4479, 18280), (4570, 17916), (5484, 14930), (5972, 13710), (6855, 11944), (7465, 10968), (8958, 9140)]