157121440

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 120

約数和(自身を含む): 434098980

約数和(自身を除く): 276977540

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, 343, 392, 409, 490, 560, 686, 784, 818, 980, 1120, 1372, 1568, 1636, 1715, 1960, 2045, 2401, 2744, 2863, 3272, 3430, 3920, 4090, 4802, 5488, 5726, 6544, 6860, 7840, 8180, 9604, 10976, 11452, 12005, 13088, 13720, 14315, 16360, 19208, 20041, 22904, 24010, 27440, 28630, 32720, 38416, 40082, 45808, 48020, 54880, 57260, 65440, 76832, 80164, 91616, 96040, 100205, 114520, 140287, 160328, 192080, 200410, 229040, 280574, 320656, 384160, 400820, 458080, 561148, 641312, 701435, 801640, 982009, 1122296, 1402870, 1603280, 1964018, 2244592, 2805740, 3206560, 3928036, 4489184, 4910045, 5611480, 7856072, 9820090, 11222960, 15712144, 19640180, 22445920, 31424288, 39280360, 78560720, 157121440]

約数ペア:

[(1, 157121440), (2, 78560720), (4, 39280360), (5, 31424288), (7, 22445920), (8, 19640180), (10, 15712144), (14, 11222960), (16, 9820090), (20, 7856072), (28, 5611480), (32, 4910045), (35, 4489184), (40, 3928036), (49, 3206560), (56, 2805740), (70, 2244592), (80, 1964018), (98, 1603280), (112, 1402870), (140, 1122296), (160, 982009), (196, 801640), (224, 701435), (245, 641312), (280, 561148), (343, 458080), (392, 400820), (409, 384160), (490, 320656), (560, 280574), (686, 229040), (784, 200410), (818, 192080), (980, 160328), (1120, 140287), (1372, 114520), (1568, 100205), (1636, 96040), (1715, 91616), (1960, 80164), (2045, 76832), (2401, 65440), (2744, 57260), (2863, 54880), (3272, 48020), (3430, 45808), (3920, 40082), (4090, 38416), (4802, 32720), (5488, 28630), (5726, 27440), (6544, 24010), (6860, 22904), (7840, 20041), (8180, 19208), (9604, 16360), (10976, 14315), (11452, 13720), (12005, 13088)]