89783680

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{409}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 250920000

約数和(自身を除く): 161136320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 409, 448, 490, 560, 640, 686, 784, 818, 896, 980, 1120, 1372, 1568, 1636, 1715, 1960, 2045, 2240, 2744, 2863, 3136, 3272, 3430, 3920, 4090, 4480, 5488, 5726, 6272, 6544, 6860, 7840, 8180, 10976, 11452, 13088, 13720, 14315, 15680, 16360, 20041, 21952, 22904, 26176, 27440, 28630, 31360, 32720, 40082, 43904, 45808, 52352, 54880, 57260, 65440, 80164, 91616, 100205, 109760, 114520, 130880, 140287, 160328, 183232, 200410, 219520, 229040, 261760, 280574, 320656, 366464, 400820, 458080, 561148, 641312, 701435, 801640, 916160, 1122296, 1282624, 1402870, 1603280, 1832320, 2244592, 2565248, 2805740, 3206560, 4489184, 5611480, 6413120, 8978368, 11222960, 12826240, 17956736, 22445920, 44891840, 89783680]

約数ペア:

[(1, 89783680), (2, 44891840), (4, 22445920), (5, 17956736), (7, 12826240), (8, 11222960), (10, 8978368), (14, 6413120), (16, 5611480), (20, 4489184), (28, 3206560), (32, 2805740), (35, 2565248), (40, 2244592), (49, 1832320), (56, 1603280), (64, 1402870), (70, 1282624), (80, 1122296), (98, 916160), (112, 801640), (128, 701435), (140, 641312), (160, 561148), (196, 458080), (224, 400820), (245, 366464), (280, 320656), (320, 280574), (343, 261760), (392, 229040), (409, 219520), (448, 200410), (490, 183232), (560, 160328), (640, 140287), (686, 130880), (784, 114520), (818, 109760), (896, 100205), (980, 91616), (1120, 80164), (1372, 65440), (1568, 57260), (1636, 54880), (1715, 52352), (1960, 45808), (2045, 43904), (2240, 40082), (2744, 32720), (2863, 31360), (3136, 28630), (3272, 27440), (3430, 26176), (3920, 22904), (4090, 21952), (4480, 20041), (5488, 16360), (5726, 15680), (6272, 14315), (6544, 13720), (6860, 13088), (7840, 11452), (8180, 10976)]