819276080

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:516

約数の個数: 160

約数和(自身を含む): 2257296000

約数和(自身を除く): 1438019920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 343, 365, 392, 409, 490, 511, 560, 584, 686, 730, 784, 818, 980, 1022, 1168, 1372, 1460, 1636, 1715, 1960, 2044, 2045, 2555, 2744, 2863, 2920, 3272, 3430, 3577, 3920, 4088, 4090, 5110, 5488, 5726, 5840, 6544, 6860, 7154, 8176, 8180, 10220, 11452, 13720, 14308, 14315, 16360, 17885, 20041, 20440, 22904, 25039, 27440, 28616, 28630, 29857, 32720, 35770, 40082, 40880, 45808, 50078, 57232, 57260, 59714, 71540, 80164, 100156, 100205, 114520, 119428, 125195, 140287, 143080, 149285, 160328, 200312, 200410, 208999, 229040, 238856, 250390, 280574, 286160, 298570, 320656, 400624, 400820, 417998, 477712, 500780, 561148, 597140, 701435, 801640, 835996, 1001560, 1044995, 1122296, 1194280, 1402870, 1462993, 1603280, 1671992, 2003120, 2089990, 2244592, 2388560, 2805740, 2925986, 3343984, 4179980, 5611480, 5851972, 7314965, 8359960, 10240951, 11222960, 11703944, 14629930, 16719920, 20481902, 23407888, 29259860, 40963804, 51204755, 58519720, 81927608, 102409510, 117039440, 163855216, 204819020, 409638040, 819276080]

約数ペア:

[(1, 819276080), (2, 409638040), (4, 204819020), (5, 163855216), (7, 117039440), (8, 102409510), (10, 81927608), (14, 58519720), (16, 51204755), (20, 40963804), (28, 29259860), (35, 23407888), (40, 20481902), (49, 16719920), (56, 14629930), (70, 11703944), (73, 11222960), (80, 10240951), (98, 8359960), (112, 7314965), (140, 5851972), (146, 5611480), (196, 4179980), (245, 3343984), (280, 2925986), (292, 2805740), (343, 2388560), (365, 2244592), (392, 2089990), (409, 2003120), (490, 1671992), (511, 1603280), (560, 1462993), (584, 1402870), (686, 1194280), (730, 1122296), (784, 1044995), (818, 1001560), (980, 835996), (1022, 801640), (1168, 701435), (1372, 597140), (1460, 561148), (1636, 500780), (1715, 477712), (1960, 417998), (2044, 400820), (2045, 400624), (2555, 320656), (2744, 298570), (2863, 286160), (2920, 280574), (3272, 250390), (3430, 238856), (3577, 229040), (3920, 208999), (4088, 200410), (4090, 200312), (5110, 160328), (5488, 149285), (5726, 143080), (5840, 140287), (6544, 125195), (6860, 119428), (7154, 114520), (8176, 100205), (8180, 100156), (10220, 80164), (11452, 71540), (13720, 59714), (14308, 57260), (14315, 57232), (16360, 50078), (17885, 45808), (20041, 40880), (20440, 40082), (22904, 35770), (25039, 32720), (27440, 29857), (28616, 28630)]