81004920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2801}}^1$

素因数の和:3056

約数の個数: 64

約数和(自身を含む): 244110240

約数和(自身を除く): 163105320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1205, 1446, 1928, 2410, 2801, 2892, 3615, 4820, 5602, 5784, 7230, 8403, 9640, 11204, 14005, 14460, 16806, 22408, 28010, 28920, 33612, 42015, 56020, 67224, 84030, 112040, 168060, 336120, 675041, 1350082, 2025123, 2700164, 3375205, 4050246, 5400328, 6750410, 8100492, 10125615, 13500820, 16200984, 20251230, 27001640, 40502460, 81004920]

約数ペア:

[(1, 81004920), (2, 40502460), (3, 27001640), (4, 20251230), (5, 16200984), (6, 13500820), (8, 10125615), (10, 8100492), (12, 6750410), (15, 5400328), (20, 4050246), (24, 3375205), (30, 2700164), (40, 2025123), (60, 1350082), (120, 675041), (241, 336120), (482, 168060), (723, 112040), (964, 84030), (1205, 67224), (1446, 56020), (1928, 42015), (2410, 33612), (2801, 28920), (2892, 28010), (3615, 22408), (4820, 16806), (5602, 14460), (5784, 14005), (7230, 11204), (8403, 9640)]