281789120

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5273}}^1$

素因数の和:5457

約数の個数: 56

約数和(自身を含む): 675156384

約数和(自身を除く): 393367264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 835, 1336, 1670, 2672, 3340, 5273, 5344, 6680, 10546, 10688, 13360, 21092, 26365, 26720, 42184, 52730, 53440, 84368, 105460, 168736, 210920, 337472, 421840, 843680, 880591, 1687360, 1761182, 3522364, 4402955, 7044728, 8805910, 14089456, 17611820, 28178912, 35223640, 56357824, 70447280, 140894560, 281789120]

約数ペア:

[(1, 281789120), (2, 140894560), (4, 70447280), (5, 56357824), (8, 35223640), (10, 28178912), (16, 17611820), (20, 14089456), (32, 8805910), (40, 7044728), (64, 4402955), (80, 3522364), (160, 1761182), (167, 1687360), (320, 880591), (334, 843680), (668, 421840), (835, 337472), (1336, 210920), (1670, 168736), (2672, 105460), (3340, 84368), (5273, 53440), (5344, 52730), (6680, 42184), (10546, 26720), (10688, 26365), (13360, 21092)]