81131690640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2860

約数の個数: 640

約数和(自身を含む): 340602200064

約数和(自身を除く): 259470509424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 104, 105, 110, 112, 120, 121, 130, 132, 140, 143, 154, 156, 165, 168, 176, 182, 195, 208, 210, 220, 231, 240, 242, 260, 264, 273, 280, 286, 308, 312, 330, 336, 363, 364, 385, 390, 420, 429, 440, 455, 462, 484, 520, 528, 546, 560, 572, 605, 616, 624, 660, 715, 726, 728, 770, 780, 840, 847, 858, 880, 910, 924, 968, 1001, 1040, 1092, 1144, 1155, 1210, 1232, 1320, 1331, 1365, 1430, 1452, 1456, 1540, 1560, 1573, 1680, 1694, 1716, 1815, 1820, 1848, 1936, 2002, 2145, 2184, 2288, 2310, 2420, 2541, 2640, 2662, 2730, 2791, 2860, 2904, 3003, 3080, 3120, 3146, 3388, 3432, 3630, 3640, 3696, 3993, 4004, 4235, 4290, 4368, 4620, 4719, 4840, 5005, 5082, 5324, 5460, 5582, 5720, 5808, 6006, 6160, 6292, 6655, 6776, 6864, 7260, 7280, 7865, 7986, 8008, 8373, 8470, 8580, 9240, 9317, 9438, 9680, 10010, 10164, 10648, 10920, 11011, 11164, 11440, 12012, 12584, 12705, 13310, 13552, 13955, 14520, 15015, 15730, 15972, 16016, 16746, 16940, 17160, 17303, 18480, 18634, 18876, 19537, 19965, 20020, 20328, 21296, 21840, 22022, 22328, 23595, 24024, 25168, 25410, 26620, 27910, 27951, 29040, 30030, 30701, 31460, 31944, 33033, 33492, 33880, 34320, 34606, 36283, 37268, 37752, 39074, 39930, 40040, 40656, 41865, 44044, 44656, 46585, 47190, 48048, 50820, 51909, 53240, 55055, 55820, 55902, 58611, 60060, 61402, 62920, 63888, 66066, 66984, 67760, 69212, 72566, 74536, 75504, 78148, 79860, 80080, 83730, 86515, 88088, 92103, 93170, 94380, 97685, 101640, 103818, 106480, 108849, 110110, 111640, 111804, 117222, 120120, 121121, 122804, 125840, 132132, 133968, 138424, 139755, 145132, 149072, 153505, 156296, 159720, 165165, 167460, 173030, 176176, 181415, 184206, 186340, 188760, 195370, 203280, 207636, 214907, 217698, 220220, 223280, 223608, 234444, 240240, 242242, 245608, 253981, 259545, 264264, 276848, 279510, 290264, 293055, 307010, 312592, 319440, 330330, 334920, 337711, 346060, 362830, 363363, 368412, 372680, 377520, 390740, 399113, 415272, 429814, 435396, 440440, 447216, 460515, 468888, 484484, 491216, 507962, 519090, 528528, 544245, 559020, 580528, 586110, 605605, 614020, 644721, 660660, 669840, 675422, 692120, 725660, 726726, 736824, 745360, 761943, 781480, 798226, 830544, 859628, 870792, 880880, 921030, 937776, 968968, 1013133, 1015924, 1038180, 1074535, 1088490, 1118040, 1172220, 1197339, 1211210, 1228040, 1269905, 1289442, 1321320, 1350844, 1384240, 1451320, 1453452, 1473648, 1523886, 1562960, 1596452, 1688555, 1719256, 1741584, 1816815, 1842060, 1937936, 1995565, 2026266, 2031848, 2076360, 2149070, 2176980, 2236080, 2344440, 2363977, 2394678, 2422420, 2456080, 2539810, 2578884, 2642640, 2701688, 2793791, 2902640, 2906904, 3047772, 3192904, 3223605, 3377110, 3438512, 3633630, 3684120, 3714821, 3809715, 3991130, 4052532, 4063696, 4152720, 4298140, 4353960, 4390243, 4688880, 4727954, 4789356, 4844840, 5065665, 5079620, 5157768, 5403376, 5587582, 5813808, 5986695, 6095544, 6385808, 6447210, 6754220, 7091931, 7267260, 7368240, 7429642, 7619430, 7982260, 8105064, 8381373, 8596280, 8707920, 8780486, 9455908, 9578712, 9689680, 10131330, 10159240, 10315536, 11144463, 11175164, 11819885, 11973390, 12191088, 12894420, 13170729, 13508440, 13968955, 14183862, 14534520, 14859284, 15238860, 15964520, 16210128, 16762746, 17192560, 17560972, 18574105, 18911816, 19157424, 20262660, 20318480, 21951215, 22288926, 22350328, 23639770, 23946780, 25788840, 26003747, 26341458, 27016880, 27937910, 28367724, 29069040, 29718568, 30477720, 30731701, 31929040, 33525492, 35121944, 35459655, 37148210, 37823632, 40525320, 41906865, 43902430, 44577852, 44700656, 47279540, 47893560, 48292673, 51577680, 52007494, 52682916, 55722315, 55875820, 56735448, 59437136, 60955440, 61463402, 65853645, 67050984, 70243888, 70919310, 74296420, 78011241, 81050640, 83813730, 87804860, 89155704, 92195103, 94559080, 95787120, 96585346, 104014988, 105365832, 111444630, 111751640, 113470896, 122926804, 130018735, 131707290, 134101968, 141838620, 144878019, 148592840, 153658505, 156022482, 167627460, 175609720, 178311408, 184390206, 189118160, 193170692, 208029976, 210731664, 222889260, 223503280, 241463365, 245853608, 260037470, 263414580, 283677240, 289756038, 297185680, 307317010, 312044964, 335254920, 338048711, 351219440, 368780412, 386341384, 390056205, 416059952, 445778520, 460975515, 482926730, 491707216, 520074940, 526829160, 567354480, 579512076, 614634020, 624089928, 670509840, 676097422, 724390095, 737560824, 772682768, 780112410, 891557040, 921951030, 965853460, 1014146133, 1040149880, 1053658320, 1159024152, 1229268040, 1248179856, 1352194844, 1448780190, 1475121648, 1560224820, 1690243555, 1843902060, 1931706920, 2028292266, 2080299760, 2318048304, 2458536080, 2704389688, 2897560380, 3120449640, 3380487110, 3687804120, 3863413840, 4056584532, 5070730665, 5408779376, 5795120760, 6240899280, 6760974220, 7375608240, 8113169064, 10141461330, 11590241520, 13521948440, 16226338128, 20282922660, 27043896880, 40565845320, 81131690640]

約数ペア:

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(1232, 65853645), (1320, 61463402), (1331, 60955440), (1365, 59437136), (1430, 56735448), (1452, 55875820), (1456, 55722315), (1540, 52682916), (1560, 52007494), (1573, 51577680), (1680, 48292673), (1694, 47893560), (1716, 47279540), (1815, 44700656), (1820, 44577852), (1848, 43902430), (1936, 41906865), (2002, 40525320), (2145, 37823632), (2184, 37148210), (2288, 35459655), (2310, 35121944), (2420, 33525492), (2541, 31929040), (2640, 30731701), (2662, 30477720), (2730, 29718568), (2791, 29069040), (2860, 28367724), (2904, 27937910), (3003, 27016880), (3080, 26341458), (3120, 26003747), (3146, 25788840), (3388, 23946780), (3432, 23639770), (3630, 22350328), (3640, 22288926), (3696, 21951215), (3993, 20318480), (4004, 20262660), (4235, 19157424), (4290, 18911816), (4368, 18574105), (4620, 17560972), (4719, 17192560), (4840, 16762746), (5005, 16210128), (5082, 15964520), (5324, 15238860), (5460, 14859284), (5582, 14534520), (5720, 14183862), (5808, 13968955), (6006, 13508440), (6160, 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(27951, 2902640), (29040, 2793791), (30030, 2701688), (30701, 2642640), (31460, 2578884), (31944, 2539810), (33033, 2456080), (33492, 2422420), (33880, 2394678), (34320, 2363977), (34606, 2344440), (36283, 2236080), (37268, 2176980), (37752, 2149070), (39074, 2076360), (39930, 2031848), (40040, 2026266), (40656, 1995565), (41865, 1937936), (44044, 1842060), (44656, 1816815), (46585, 1741584), (47190, 1719256), (48048, 1688555), (50820, 1596452), (51909, 1562960), (53240, 1523886), (55055, 1473648), (55820, 1453452), (55902, 1451320), (58611, 1384240), (60060, 1350844), (61402, 1321320), (62920, 1289442), (63888, 1269905), (66066, 1228040), (66984, 1211210), (67760, 1197339), (69212, 1172220), (72566, 1118040), (74536, 1088490), (75504, 1074535), (78148, 1038180), (79860, 1015924), (80080, 1013133), (83730, 968968), (86515, 937776), (88088, 921030), (92103, 880880), (93170, 870792), (94380, 859628), (97685, 830544), (101640, 798226), (103818, 781480), (106480, 761943), (108849, 745360), 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