173204720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 120

約数和(自身を含む): 455836896

約数和(自身を除く): 282632176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 169, 184, 208, 230, 260, 299, 338, 368, 460, 520, 557, 598, 676, 845, 920, 1040, 1114, 1196, 1352, 1495, 1690, 1840, 2228, 2392, 2704, 2785, 2990, 3380, 3887, 4456, 4784, 5570, 5980, 6760, 7241, 7774, 8912, 11140, 11960, 12811, 13520, 14482, 15548, 19435, 22280, 23920, 25622, 28964, 31096, 36205, 38870, 44560, 51244, 57928, 62192, 64055, 72410, 77740, 94133, 102488, 115856, 128110, 144820, 155480, 166543, 188266, 204976, 256220, 289640, 310960, 333086, 376532, 470665, 512440, 579280, 666172, 753064, 832715, 941330, 1024880, 1332344, 1506128, 1665430, 1882660, 2165059, 2664688, 3330860, 3765320, 4330118, 6661720, 7530640, 8660236, 10825295, 13323440, 17320472, 21650590, 34640944, 43301180, 86602360, 173204720]

約数ペア:

[(1, 173204720), (2, 86602360), (4, 43301180), (5, 34640944), (8, 21650590), (10, 17320472), (13, 13323440), (16, 10825295), (20, 8660236), (23, 7530640), (26, 6661720), (40, 4330118), (46, 3765320), (52, 3330860), (65, 2664688), (80, 2165059), (92, 1882660), (104, 1665430), (115, 1506128), (130, 1332344), (169, 1024880), (184, 941330), (208, 832715), (230, 753064), (260, 666172), (299, 579280), (338, 512440), (368, 470665), (460, 376532), (520, 333086), (557, 310960), (598, 289640), (676, 256220), (845, 204976), (920, 188266), (1040, 166543), (1114, 155480), (1196, 144820), (1352, 128110), (1495, 115856), (1690, 102488), (1840, 94133), (2228, 77740), (2392, 72410), (2704, 64055), (2785, 62192), (2990, 57928), (3380, 51244), (3887, 44560), (4456, 38870), (4784, 36205), (5570, 31096), (5980, 28964), (6760, 25622), (7241, 23920), (7774, 22280), (8912, 19435), (11140, 15548), (11960, 14482), (12811, 13520)]