64457960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10009}}^1$

素因数の和:10050

約数の個数: 64

約数和(自身を含む): 172972800

約数和(自身を除く): 108514840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 10009, 20018, 40036, 50045, 70063, 80072, 100090, 140126, 200180, 230207, 280252, 350315, 400360, 460414, 560504, 700630, 920828, 1151035, 1401260, 1611449, 1841656, 2302070, 2802520, 3222898, 4604140, 6445796, 8057245, 9208280, 12891592, 16114490, 32228980, 64457960]

約数ペア:

[(1, 64457960), (2, 32228980), (4, 16114490), (5, 12891592), (7, 9208280), (8, 8057245), (10, 6445796), (14, 4604140), (20, 3222898), (23, 2802520), (28, 2302070), (35, 1841656), (40, 1611449), (46, 1401260), (56, 1151035), (70, 920828), (92, 700630), (115, 560504), (140, 460414), (161, 400360), (184, 350315), (230, 280252), (280, 230207), (322, 200180), (460, 140126), (644, 100090), (805, 80072), (920, 70063), (1288, 50045), (1610, 40036), (3220, 20018), (6440, 10009)]