77987940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1889

約数の個数: 96

約数和(自身を含む): 235339776

約数和(自身を除く): 157351836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 92, 93, 115, 124, 138, 155, 186, 230, 276, 310, 345, 372, 460, 465, 620, 690, 713, 930, 1380, 1426, 1823, 1860, 2139, 2852, 3565, 3646, 4278, 5469, 7130, 7292, 8556, 9115, 10695, 10938, 14260, 18230, 21390, 21876, 27345, 36460, 41929, 42780, 54690, 56513, 83858, 109380, 113026, 125787, 167716, 169539, 209645, 226052, 251574, 282565, 339078, 419290, 503148, 565130, 628935, 678156, 838580, 847695, 1130260, 1257870, 1299799, 1695390, 2515740, 2599598, 3390780, 3899397, 5199196, 6498995, 7798794, 12997990, 15597588, 19496985, 25995980, 38993970, 77987940]

約数ペア:

[(1, 77987940), (2, 38993970), (3, 25995980), (4, 19496985), (5, 15597588), (6, 12997990), (10, 7798794), (12, 6498995), (15, 5199196), (20, 3899397), (23, 3390780), (30, 2599598), (31, 2515740), (46, 1695390), (60, 1299799), (62, 1257870), (69, 1130260), (92, 847695), (93, 838580), (115, 678156), (124, 628935), (138, 565130), (155, 503148), (186, 419290), (230, 339078), (276, 282565), (310, 251574), (345, 226052), (372, 209645), (460, 169539), (465, 167716), (620, 125787), (690, 113026), (713, 109380), (930, 83858), (1380, 56513), (1426, 54690), (1823, 42780), (1860, 41929), (2139, 36460), (2852, 27345), (3565, 21876), (3646, 21390), (4278, 18230), (5469, 14260), (7130, 10938), (7292, 10695), (8556, 9115)]