197715840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 256

約数和(自身を含む): 737925120

約数和(自身を除く): 540209280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 64, 70, 80, 84, 94, 96, 105, 112, 120, 128, 140, 141, 160, 168, 188, 192, 210, 224, 235, 240, 280, 282, 313, 320, 329, 336, 376, 384, 420, 448, 470, 480, 560, 564, 626, 640, 658, 672, 705, 752, 840, 896, 939, 940, 960, 987, 1120, 1128, 1252, 1316, 1344, 1410, 1504, 1565, 1645, 1680, 1878, 1880, 1920, 1974, 2191, 2240, 2256, 2504, 2632, 2688, 2820, 3008, 3130, 3290, 3360, 3756, 3760, 3948, 4382, 4480, 4512, 4695, 4935, 5008, 5264, 5640, 6016, 6260, 6573, 6580, 6720, 7512, 7520, 7896, 8764, 9024, 9390, 9870, 10016, 10528, 10955, 11280, 12520, 13146, 13160, 13440, 14711, 15024, 15040, 15792, 17528, 18048, 18780, 19740, 20032, 21056, 21910, 22560, 25040, 26292, 26320, 29422, 30048, 30080, 31584, 32865, 35056, 37560, 39480, 40064, 42112, 43820, 44133, 45120, 50080, 52584, 52640, 58844, 60096, 63168, 65730, 70112, 73555, 75120, 78960, 87640, 88266, 90240, 100160, 102977, 105168, 105280, 117688, 120192, 126336, 131460, 140224, 147110, 150240, 157920, 175280, 176532, 200320, 205954, 210336, 210560, 220665, 235376, 262920, 280448, 294220, 300480, 308931, 315840, 350560, 353064, 411908, 420672, 441330, 470752, 514885, 525840, 588440, 600960, 617862, 631680, 701120, 706128, 823816, 841344, 882660, 941504, 1029770, 1051680, 1176880, 1235724, 1402240, 1412256, 1544655, 1647632, 1765320, 1883008, 2059540, 2103360, 2353760, 2471448, 2824512, 3089310, 3295264, 3530640, 4119080, 4206720, 4707520, 4942896, 5649024, 6178620, 6590528, 7061280, 8238160, 9415040, 9885792, 12357240, 13181056, 14122560, 16476320, 19771584, 24714480, 28245120, 32952640, 39543168, 49428960, 65905280, 98857920, 197715840]

約数ペア:

[(1, 197715840), (2, 98857920), (3, 65905280), (4, 49428960), (5, 39543168), (6, 32952640), (7, 28245120), (8, 24714480), (10, 19771584), (12, 16476320), (14, 14122560), (15, 13181056), (16, 12357240), (20, 9885792), (21, 9415040), (24, 8238160), (28, 7061280), (30, 6590528), (32, 6178620), (35, 5649024), (40, 4942896), (42, 4707520), (47, 4206720), (48, 4119080), (56, 3530640), (60, 3295264), (64, 3089310), (70, 2824512), (80, 2471448), (84, 2353760), (94, 2103360), (96, 2059540), (105, 1883008), (112, 1765320), (120, 1647632), (128, 1544655), (140, 1412256), (141, 1402240), (160, 1235724), (168, 1176880), (188, 1051680), (192, 1029770), (210, 941504), (224, 882660), (235, 841344), (240, 823816), (280, 706128), (282, 701120), (313, 631680), (320, 617862), (329, 600960), (336, 588440), (376, 525840), (384, 514885), (420, 470752), (448, 441330), (470, 420672), (480, 411908), (560, 353064), (564, 350560), (626, 315840), (640, 308931), (658, 300480), (672, 294220), (705, 280448), (752, 262920), (840, 235376), (896, 220665), (939, 210560), (940, 210336), (960, 205954), (987, 200320), (1120, 176532), (1128, 175280), (1252, 157920), (1316, 150240), (1344, 147110), (1410, 140224), (1504, 131460), (1565, 126336), (1645, 120192), (1680, 117688), (1878, 105280), (1880, 105168), (1920, 102977), (1974, 100160), (2191, 90240), (2240, 88266), (2256, 87640), (2504, 78960), (2632, 75120), (2688, 73555), (2820, 70112), (3008, 65730), (3130, 63168), (3290, 60096), (3360, 58844), (3756, 52640), (3760, 52584), (3948, 50080), (4382, 45120), (4480, 44133), (4512, 43820), (4695, 42112), (4935, 40064), (5008, 39480), (5264, 37560), (5640, 35056), (6016, 32865), (6260, 31584), (6573, 30080), (6580, 30048), (6720, 29422), (7512, 26320), (7520, 26292), (7896, 25040), (8764, 22560), (9024, 21910), (9390, 21056), (9870, 20032), (10016, 19740), (10528, 18780), (10955, 18048), (11280, 17528), (12520, 15792), (13146, 15040), (13160, 15024), (13440, 14711)]