163126880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20807}}^1$

素因数の和:20836

約数の個数: 72

約数和(自身を含む): 448329168

約数和(自身を除く): 285202288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 20807, 41614, 83228, 104035, 145649, 166456, 208070, 291298, 332912, 416140, 582596, 665824, 728245, 832280, 1019543, 1165192, 1456490, 1664560, 2039086, 2330384, 2912980, 3329120, 4078172, 4660768, 5097715, 5825960, 8156344, 10195430, 11651920, 16312688, 20390860, 23303840, 32625376, 40781720, 81563440, 163126880]

約数ペア:

[(1, 163126880), (2, 81563440), (4, 40781720), (5, 32625376), (7, 23303840), (8, 20390860), (10, 16312688), (14, 11651920), (16, 10195430), (20, 8156344), (28, 5825960), (32, 5097715), (35, 4660768), (40, 4078172), (49, 3329120), (56, 2912980), (70, 2330384), (80, 2039086), (98, 1664560), (112, 1456490), (140, 1165192), (160, 1019543), (196, 832280), (224, 728245), (245, 665824), (280, 582596), (392, 416140), (490, 332912), (560, 291298), (784, 208070), (980, 166456), (1120, 145649), (1568, 104035), (1960, 83228), (3920, 41614), (7840, 20807)]