80481816

素因数分解:

$2^3\times 3^3\times {\mathrm{239}}^1\times {\mathrm{1559}}^1$

素因数の和:1813

約数の個数: 64

約数和(自身を含む): 224640000

約数和(自身を除く): 144158184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 239, 478, 717, 956, 1434, 1559, 1912, 2151, 2868, 3118, 4302, 4677, 5736, 6236, 6453, 8604, 9354, 12472, 12906, 14031, 17208, 18708, 25812, 28062, 37416, 42093, 51624, 56124, 84186, 112248, 168372, 336744, 372601, 745202, 1117803, 1490404, 2235606, 2980808, 3353409, 4471212, 6706818, 8942424, 10060227, 13413636, 20120454, 26827272, 40240908, 80481816]

約数ペア:

[(1, 80481816), (2, 40240908), (3, 26827272), (4, 20120454), (6, 13413636), (8, 10060227), (9, 8942424), (12, 6706818), (18, 4471212), (24, 3353409), (27, 2980808), (36, 2235606), (54, 1490404), (72, 1117803), (108, 745202), (216, 372601), (239, 336744), (478, 168372), (717, 112248), (956, 84186), (1434, 56124), (1559, 51624), (1912, 42093), (2151, 37416), (2868, 28062), (3118, 25812), (4302, 18708), (4677, 17208), (5736, 14031), (6236, 12906), (6453, 12472), (8604, 9354)]