1230040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 3317760

約数和(自身を除く): 2087720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 191, 230, 280, 322, 382, 460, 644, 764, 805, 920, 955, 1288, 1337, 1528, 1610, 1910, 2674, 3220, 3820, 4393, 5348, 6440, 6685, 7640, 8786, 10696, 13370, 17572, 21965, 26740, 30751, 35144, 43930, 53480, 61502, 87860, 123004, 153755, 175720, 246008, 307510, 615020, 1230040]

約数ペア:

[(1, 1230040), (2, 615020), (4, 307510), (5, 246008), (7, 175720), (8, 153755), (10, 123004), (14, 87860), (20, 61502), (23, 53480), (28, 43930), (35, 35144), (40, 30751), (46, 26740), (56, 21965), (70, 17572), (92, 13370), (115, 10696), (140, 8786), (161, 7640), (184, 6685), (191, 6440), (230, 5348), (280, 4393), (322, 3820), (382, 3220), (460, 2674), (644, 1910), (764, 1610), (805, 1528), (920, 1337), (955, 1288)]