20129957760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6857}}^1$

素因数の和:7029

約数の個数: 256

約数和(自身を含む): 70511212800

約数和(自身を除く): 50381255040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 139, 160, 165, 176, 192, 220, 240, 264, 278, 320, 330, 352, 384, 417, 440, 480, 528, 556, 640, 660, 695, 704, 834, 880, 960, 1056, 1112, 1320, 1390, 1408, 1529, 1668, 1760, 1920, 2085, 2112, 2224, 2640, 2780, 3058, 3336, 3520, 4170, 4224, 4448, 4587, 5280, 5560, 6116, 6672, 6857, 7040, 7645, 8340, 8896, 9174, 10560, 11120, 12232, 13344, 13714, 15290, 16680, 17792, 18348, 20571, 21120, 22240, 22935, 24464, 26688, 27428, 30580, 33360, 34285, 36696, 41142, 44480, 45870, 48928, 53376, 54856, 61160, 66720, 68570, 73392, 75427, 82284, 88960, 91740, 97856, 102855, 109712, 122320, 133440, 137140, 146784, 150854, 164568, 183480, 195712, 205710, 219424, 226281, 244640, 266880, 274280, 293568, 301708, 329136, 366960, 377135, 411420, 438848, 452562, 489280, 548560, 587136, 603416, 658272, 733920, 754270, 822840, 877696, 905124, 953123, 978560, 1097120, 1131405, 1206832, 1316544, 1467840, 1508540, 1645680, 1810248, 1906246, 2194240, 2262810, 2413664, 2633088, 2859369, 2935680, 3017080, 3291360, 3620496, 3812492, 4388480, 4525620, 4765615, 4827328, 5718738, 6034160, 6582720, 7240992, 7624984, 9051240, 9531230, 9654656, 10484353, 11437476, 12068320, 13165440, 14296845, 14481984, 15249968, 18102480, 19062460, 20968706, 22874952, 24136640, 28593690, 28963968, 30499936, 31453059, 36204960, 38124920, 41937412, 45749904, 48273280, 52421765, 57187380, 60999872, 62906118, 72409920, 76249840, 83874824, 91499808, 104843530, 114374760, 121999744, 125812236, 144819840, 152499680, 157265295, 167749648, 182999616, 209687060, 228749520, 251624472, 304999360, 314530590, 335499296, 365999232, 419374120, 457499040, 503248944, 609998720, 629061180, 670998592, 838748240, 914998080, 1006497888, 1258122360, 1341997184, 1677496480, 1829996160, 2012995776, 2516244720, 3354992960, 4025991552, 5032489440, 6709985920, 10064978880, 20129957760]

約数ペア:

[(1, 20129957760), (2, 10064978880), (3, 6709985920), (4, 5032489440), (5, 4025991552), (6, 3354992960), (8, 2516244720), (10, 2012995776), (11, 1829996160), (12, 1677496480), (15, 1341997184), (16, 1258122360), (20, 1006497888), (22, 914998080), (24, 838748240), (30, 670998592), (32, 629061180), (33, 609998720), (40, 503248944), (44, 457499040), (48, 419374120), (55, 365999232), (60, 335499296), (64, 314530590), (66, 304999360), (80, 251624472), (88, 228749520), (96, 209687060), (110, 182999616), (120, 167749648), (128, 157265295), (132, 152499680), (139, 144819840), (160, 125812236), (165, 121999744), (176, 114374760), (192, 104843530), (220, 91499808), (240, 83874824), (264, 76249840), (278, 72409920), (320, 62906118), (330, 60999872), (352, 57187380), (384, 52421765), (417, 48273280), (440, 45749904), (480, 41937412), (528, 38124920), (556, 36204960), (640, 31453059), (660, 30499936), (695, 28963968), (704, 28593690), (834, 24136640), (880, 22874952), (960, 20968706), (1056, 19062460), (1112, 18102480), (1320, 15249968), (1390, 14481984), (1408, 14296845), (1529, 13165440), (1668, 12068320), (1760, 11437476), (1920, 10484353), (2085, 9654656), (2112, 9531230), (2224, 9051240), (2640, 7624984), (2780, 7240992), (3058, 6582720), (3336, 6034160), (3520, 5718738), (4170, 4827328), (4224, 4765615), (4448, 4525620), (4587, 4388480), (5280, 3812492), (5560, 3620496), (6116, 3291360), (6672, 3017080), (6857, 2935680), (7040, 2859369), (7645, 2633088), (8340, 2413664), (8896, 2262810), (9174, 2194240), (10560, 1906246), (11120, 1810248), (12232, 1645680), (13344, 1508540), (13714, 1467840), (15290, 1316544), (16680, 1206832), (17792, 1131405), (18348, 1097120), (20571, 978560), (21120, 953123), (22240, 905124), (22935, 877696), (24464, 822840), (26688, 754270), (27428, 733920), (30580, 658272), (33360, 603416), (34285, 587136), (36696, 548560), (41142, 489280), (44480, 452562), (45870, 438848), (48928, 411420), (53376, 377135), (54856, 366960), (61160, 329136), (66720, 301708), (68570, 293568), (73392, 274280), (75427, 266880), (82284, 244640), (88960, 226281), (91740, 219424), (97856, 205710), (102855, 195712), (109712, 183480), (122320, 164568), (133440, 150854), (137140, 146784)]