1981980000

素因数分解:

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

素因数の和:78

約数の個数: 1080

約数和(自身を含む): 9528062544

約数和(自身を除く): 7546082544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 28, 30, 32, 33, 35, 36, 39, 40, 42, 44, 45, 48, 50, 52, 55, 56, 60, 63, 65, 66, 70, 72, 75, 77, 78, 80, 84, 88, 90, 91, 96, 99, 100, 104, 105, 110, 112, 117, 120, 121, 125, 126, 130, 132, 140, 143, 144, 150, 154, 156, 160, 165, 168, 175, 176, 180, 182, 195, 198, 200, 208, 210, 220, 224, 225, 231, 234, 240, 242, 250, 252, 260, 264, 273, 275, 280, 286, 288, 300, 308, 312, 315, 325, 330, 336, 350, 352, 360, 363, 364, 375, 385, 390, 396, 400, 416, 420, 429, 440, 450, 455, 462, 468, 480, 484, 495, 500, 504, 520, 525, 528, 546, 550, 560, 572, 585, 600, 605, 616, 624, 625, 630, 650, 660, 672, 693, 700, 715, 720, 726, 728, 750, 770, 780, 792, 800, 819, 825, 840, 847, 858, 875, 880, 900, 910, 924, 936, 968, 975, 990, 1000, 1001, 1008, 1040, 1050, 1056, 1089, 1092, 1100, 1120, 1125, 1144, 1155, 1170, 1200, 1210, 1232, 1248, 1250, 1260, 1287, 1300, 1320, 1365, 1375, 1386, 1400, 1430, 1440, 1452, 1456, 1500, 1540, 1560, 1573, 1575, 1584, 1625, 1638, 1650, 1680, 1694, 1716, 1750, 1760, 1800, 1815, 1820, 1848, 1872, 1875, 1925, 1936, 1950, 1980, 2000, 2002, 2016, 2080, 2100, 2145, 2178, 2184, 2200, 2250, 2275, 2288, 2310, 2340, 2400, 2420, 2464, 2475, 2500, 2520, 2541, 2574, 2600, 2625, 2640, 2730, 2750, 2772, 2800, 2860, 2904, 2912, 2925, 3000, 3003, 3025, 3080, 3120, 3146, 3150, 3168, 3250, 3276, 3300, 3360, 3388, 3432, 3465, 3500, 3575, 3600, 3630, 3640, 3696, 3744, 3750, 3850, 3872, 3900, 3960, 4000, 4004, 4095, 4125, 4200, 4235, 4290, 4356, 4368, 4375, 4400, 4500, 4550, 4576, 4620, 4680, 4719, 4840, 4875, 4950, 5000, 5005, 5040, 5082, 5148, 5200, 5250, 5280, 5445, 5460, 5500, 5544, 5600, 5625, 5720, 5775, 5808, 5850, 6000, 6006, 6050, 6160, 6240, 6292, 6300, 6435, 6500, 6552, 6600, 6776, 6825, 6864, 6875, 6930, 7000, 7150, 7200, 7260, 7280, 7392, 7500, 7623, 7700, 7800, 7865, 7875, 7920, 8008, 8125, 8190, 8250, 8400, 8470, 8580, 8712, 8736, 8750, 8800, 9000, 9009, 9075, 9100, 9240, 9360, 9438, 9625, 9680, 9750, 9900, 10000, 10010, 10080, 10164, 10296, 10400, 10500, 10725, 10890, 10920, 11000, 11011, 11088, 11250, 11375, 11440, 11550, 11616, 11700, 12000, 12012, 12100, 12320, 12375, 12584, 12600, 12705, 12870, 13000, 13104, 13125, 13200, 13552, 13650, 13728, 13750, 13860, 14000, 14157, 14300, 14520, 14560, 14625, 15000, 15015, 15125, 15246, 15400, 15600, 15730, 15750, 15840, 16016, 16250, 16380, 16500, 16800, 16940, 17160, 17325, 17424, 17500, 17875, 18000, 18018, 18150, 18200, 18480, 18720, 18876, 19250, 19360, 19500, 19800, 20000, 20020, 20328, 20475, 20592, 20625, 21000, 21175, 21450, 21780, 21840, 22000, 22022, 22176, 22500, 22750, 22880, 23100, 23400, 23595, 24024, 24200, 24375, 24750, 25025, 25168, 25200, 25410, 25740, 26000, 26208, 26250, 26400, 27104, 27225, 27300, 27500, 27720, 28000, 28314, 28600, 28875, 29040, 29250, 30000, 30030, 30250, 30492, 30800, 31200, 31460, 31500, 32032, 32175, 32500, 32760, 33000, 33033, 33880, 34125, 34320, 34650, 34848, 35000, 35750, 36000, 36036, 36300, 36400, 36960, 37752, 38115, 38500, 39000, 39325, 39375, 39600, 40040, 40656, 40950, 41184, 41250, 42000, 42350, 42900, 43560, 43680, 44000, 44044, 45000, 45045, 45375, 45500, 46200, 46800, 47190, 48048, 48125, 48400, 48750, 49500, 50050, 50336, 50400, 50820, 51480, 52000, 52500, 53625, 54450, 54600, 55000, 55055, 55440, 56628, 56875, 57200, 57750, 58080, 58500, 60000, 60060, 60500, 60984, 61600, 61875, 62920, 63000, 63525, 64350, 65000, 65520, 66000, 66066, 67760, 68250, 68640, 69300, 70000, 70785, 71500, 72072, 72600, 72800, 73125, 75075, 75504, 75625, 76230, 77000, 78000, 78650, 78750, 79200, 80080, 81312, 81900, 82500, 84000, 84700, 85800, 86625, 87120, 88088, 89375, 90000, 90090, 90750, 91000, 92400, 93600, 94380, 96096, 96250, 96800, 97500, 99000, 99099, 100100, 101640, 102375, 102960, 105000, 105875, 107250, 108900, 109200, 110000, 110110, 110880, 113256, 113750, 114400, 115500, 117000, 117975, 120120, 121000, 121968, 123750, 125125, 125840, 126000, 127050, 128700, 130000, 131040, 132000, 132132, 135520, 136125, 136500, 138600, 140000, 141570, 143000, 144144, 144375, 145200, 146250, 150150, 151008, 151250, 152460, 154000, 156000, 157300, 157500, 160160, 160875, 163800, 165000, 165165, 169400, 170625, 171600, 173250, 174240, 176176, 178750, 180000, 180180, 181500, 182000, 184800, 188760, 190575, 192500, 195000, 196625, 198000, 198198, 200200, 203280, 204750, 205920, 210000, 211750, 214500, 217800, 218400, 220000, 220220, 225225, 226512, 226875, 227500, 231000, 234000, 235950, 240240, 242000, 243936, 247500, 250250, 251680, 252000, 254100, 257400, 260000, 264264, 268125, 272250, 273000, 275275, 277200, 283140, 286000, 288288, 288750, 290400, 292500, 300300, 302500, 304920, 308000, 314600, 315000, 317625, 321750, 327600, 330000, 330330, 338800, 341250, 343200, 346500, 352352, 353925, 357500, 360360, 363000, 364000, 375375, 377520, 381150, 385000, 390000, 393250, 396000, 396396, 400400, 406560, 409500, 420000, 423500, 429000, 433125, 435600, 440440, 450450, 453024, 453750, 455000, 462000, 468000, 471900, 480480, 484000, 495000, 495495, 500500, 508200, 511875, 514800, 528528, 529375, 536250, 544500, 546000, 550550, 554400, 566280, 572000, 577500, 585000, 589875, 600600, 605000, 609840, 625625, 629200, 630000, 635250, 643500, 655200, 660000, 660660, 677600, 680625, 682500, 693000, 707850, 715000, 720720, 726000, 750750, 755040, 762300, 770000, 780000, 786500, 792792, 800800, 804375, 819000, 825825, 847000, 858000, 866250, 871200, 880880, 900900, 907500, 910000, 924000, 943800, 952875, 983125, 990000, 990990, 1001000, 1016400, 1023750, 1029600, 1057056, 1058750, 1072500, 1089000, 1092000, 1101100, 1126125, 1132560, 1155000, 1170000, 1179750, 1201200, 1210000, 1219680, 1251250, 1258400, 1260000, 1270500, 1287000, 1321320, 1361250, 1365000, 1376375, 1386000, 1415700, 1430000, 1441440, 1452000, 1501500, 1524600, 1540000, 1573000, 1585584, 1588125, 1608750, 1638000, 1651650, 1694000, 1716000, 1732500, 1761760, 1769625, 1801800, 1815000, 1820000, 1876875, 1887600, 1905750, 1966250, 1980000, 1981980, 2002000, 2032800, 2047500, 2117500, 2145000, 2178000, 2202200, 2252250, 2265120, 2310000, 2340000, 2359500, 2402400, 2420000, 2477475, 2502500, 2541000, 2574000, 2642640, 2722500, 2730000, 2752750, 2772000, 2831400, 2860000, 2949375, 3003000, 3049200, 3146000, 3171168, 3176250, 3217500, 3276000, 3303300, 3388000, 3465000, 3539250, 3603600, 3630000, 3753750, 3775200, 3811500, 3932500, 3963960, 4004000, 4095000, 4129125, 4235000, 4290000, 4356000, 4404400, 4504500, 4620000, 4719000, 4764375, 4954950, 5005000, 5082000, 5148000, 5285280, 5445000, 5460000, 5505500, 5630625, 5662800, 5898750, 6006000, 6098400, 6292000, 6352500, 6435000, 6606600, 6881875, 6930000, 7078500, 7207200, 7260000, 7507500, 7623000, 7865000, 7927920, 8190000, 8258250, 8470000, 8580000, 8808800, 8848125, 9009000, 9438000, 9528750, 9909900, 10010000, 10164000, 10890000, 11011000, 11261250, 11325600, 11797500, 12012000, 12387375, 12705000, 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約数ペア:

[(1, 1981980000), (2, 990990000), (3, 660660000), (4, 495495000), (5, 396396000), (6, 330330000), (7, 283140000), (8, 247747500), (9, 220220000), (10, 198198000), (11, 180180000), (12, 165165000), (13, 152460000), (14, 141570000), (15, 132132000), (16, 123873750), (18, 110110000), (20, 99099000), (21, 94380000), (22, 90090000), (24, 82582500), (25, 79279200), (26, 76230000), (28, 70785000), (30, 66066000), (32, 61936875), (33, 60060000), (35, 56628000), (36, 55055000), (39, 50820000), (40, 49549500), (42, 47190000), (44, 45045000), (45, 44044000), (48, 41291250), (50, 39639600), (52, 38115000), (55, 36036000), (56, 35392500), (60, 33033000), (63, 31460000), (65, 30492000), (66, 30030000), (70, 28314000), (72, 27527500), (75, 26426400), (77, 25740000), (78, 25410000), (80, 24774750), (84, 23595000), (88, 22522500), (90, 22022000), (91, 21780000), (96, 20645625), (99, 20020000), (100, 19819800), (104, 19057500), (105, 18876000), (110, 18018000), (112, 17696250), (117, 16940000), (120, 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