147748720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37691}}^1$

素因数の和:37718

約数の個数: 60

約数和(自身を含む): 399610584

約数和(自身を除く): 251861864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 37691, 75382, 150764, 188455, 263837, 301528, 376910, 527674, 603056, 753820, 1055348, 1319185, 1507640, 1846859, 2110696, 2638370, 3015280, 3693718, 4221392, 5276740, 7387436, 9234295, 10553480, 14774872, 18468590, 21106960, 29549744, 36937180, 73874360, 147748720]

約数ペア:

[(1, 147748720), (2, 73874360), (4, 36937180), (5, 29549744), (7, 21106960), (8, 18468590), (10, 14774872), (14, 10553480), (16, 9234295), (20, 7387436), (28, 5276740), (35, 4221392), (40, 3693718), (49, 3015280), (56, 2638370), (70, 2110696), (80, 1846859), (98, 1507640), (112, 1319185), (140, 1055348), (196, 753820), (245, 603056), (280, 527674), (392, 376910), (490, 301528), (560, 263837), (784, 188455), (980, 150764), (1960, 75382), (3920, 37691)]