87373780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1$

素因数の和:833

約数の個数: 96

約数和(自身を含む): 217324800

約数和(自身を除く): 129951020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 190, 230, 247, 260, 299, 380, 437, 460, 494, 598, 769, 874, 988, 1196, 1235, 1495, 1538, 1748, 2185, 2470, 2990, 3076, 3845, 4370, 4940, 5681, 5980, 7690, 8740, 9997, 11362, 14611, 15380, 17687, 19994, 22724, 28405, 29222, 35374, 39988, 49985, 56810, 58444, 70748, 73055, 88435, 99970, 113620, 146110, 176870, 189943, 199940, 229931, 292220, 336053, 353740, 379886, 459862, 672106, 759772, 919724, 949715, 1149655, 1344212, 1680265, 1899430, 2299310, 3360530, 3798860, 4368689, 4598620, 6721060, 8737378, 17474756, 21843445, 43686890, 87373780]

約数ペア:

[(1, 87373780), (2, 43686890), (4, 21843445), (5, 17474756), (10, 8737378), (13, 6721060), (19, 4598620), (20, 4368689), (23, 3798860), (26, 3360530), (38, 2299310), (46, 1899430), (52, 1680265), (65, 1344212), (76, 1149655), (92, 949715), (95, 919724), (115, 759772), (130, 672106), (190, 459862), (230, 379886), (247, 353740), (260, 336053), (299, 292220), (380, 229931), (437, 199940), (460, 189943), (494, 176870), (598, 146110), (769, 113620), (874, 99970), (988, 88435), (1196, 73055), (1235, 70748), (1495, 58444), (1538, 56810), (1748, 49985), (2185, 39988), (2470, 35374), (2990, 29222), (3076, 28405), (3845, 22724), (4370, 19994), (4940, 17687), (5681, 15380), (5980, 14611), (7690, 11362), (8740, 9997)]