72348780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172259}}^1$

素因数の和:172278

約数の個数: 48

約数和(自身を含む): 231517440

約数和(自身を除く): 159168660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 172259, 344518, 516777, 689036, 861295, 1033554, 1205813, 1722590, 2067108, 2411626, 2583885, 3445180, 3617439, 4823252, 5167770, 6029065, 7234878, 10335540, 12058130, 14469756, 18087195, 24116260, 36174390, 72348780]

約数ペア:

[(1, 72348780), (2, 36174390), (3, 24116260), (4, 18087195), (5, 14469756), (6, 12058130), (7, 10335540), (10, 7234878), (12, 6029065), (14, 5167770), (15, 4823252), (20, 3617439), (21, 3445180), (28, 2583885), (30, 2411626), (35, 2067108), (42, 1722590), (60, 1205813), (70, 1033554), (84, 861295), (105, 689036), (140, 516777), (210, 344518), (420, 172259)]