20686879080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 768

約数和(自身を含む): 86455848960

約数和(自身を除く): 65768969880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 31, 34, 35, 36, 37, 40, 42, 45, 51, 56, 60, 62, 63, 68, 70, 72, 74, 84, 85, 90, 93, 102, 105, 111, 119, 120, 124, 126, 136, 140, 148, 153, 155, 168, 170, 180, 185, 186, 204, 210, 217, 222, 238, 248, 252, 255, 259, 279, 280, 296, 306, 310, 315, 333, 340, 357, 360, 370, 372, 408, 420, 421, 434, 444, 465, 476, 504, 510, 518, 527, 555, 558, 595, 612, 620, 629, 630, 651, 666, 680, 714, 740, 744, 765, 777, 840, 842, 868, 888, 930, 952, 1020, 1036, 1054, 1071, 1085, 1110, 1116, 1147, 1190, 1224, 1240, 1258, 1260, 1263, 1295, 1302, 1332, 1395, 1428, 1480, 1530, 1554, 1581, 1665, 1684, 1736, 1785, 1860, 1887, 1953, 2040, 2072, 2105, 2108, 2142, 2170, 2220, 2232, 2294, 2331, 2380, 2516, 2520, 2526, 2590, 2604, 2635, 2664, 2790, 2856, 2947, 3060, 3108, 3145, 3162, 3255, 3330, 3368, 3441, 3570, 3689, 3720, 3774, 3789, 3885, 3906, 4210, 4216, 4284, 4340, 4403, 4440, 4588, 4662, 4743, 4760, 5032, 5052, 5180, 5208, 5270, 5355, 5580, 5661, 5735, 5894, 6120, 6216, 6290, 6315, 6324, 6510, 6660, 6882, 7140, 7157, 7378, 7548, 7578, 7770, 7812, 7905, 8029, 8420, 8568, 8680, 8806, 8841, 9176, 9324, 9435, 9486, 9765, 10104, 10323, 10360, 10540, 10710, 11067, 11160, 11322, 11470, 11655, 11788, 12580, 12630, 12648, 13020, 13051, 13209, 13320, 13764, 14280, 14314, 14735, 14756, 15096, 15156, 15540, 15577, 15624, 15810, 16058, 16840, 17205, 17612, 17682, 18445, 18648, 18870, 18945, 18972, 19499, 19530, 20646, 21080, 21420, 21471, 22015, 22134, 22644, 22940, 23310, 23576, 23715, 24087, 25160, 25260, 26040, 26102, 26418, 26523, 27528, 28305, 28628, 29470, 29512, 30312, 31080, 31154, 31620, 32116, 33201, 34410, 35224, 35364, 35785, 36890, 37740, 37890, 37944, 38998, 39060, 39153, 39627, 40145, 41292, 42840, 42942, 44030, 44205, 44268, 45288, 45880, 46620, 46731, 47430, 48174, 50099, 50520, 51615, 52204, 52836, 53046, 55335, 56610, 57256, 58497, 58940, 62308, 63240, 64232, 64413, 65255, 66045, 66402, 68820, 70728, 71570, 72261, 73780, 75480, 75780, 77885, 77996, 78120, 78306, 79254, 80290, 82584, 85884, 88060, 88410, 88536, 91357, 93240, 93462, 94860, 96348, 97495, 100198, 103230, 104408, 105672, 106092, 107355, 109039, 110670, 113220, 116994, 117459, 117880, 120435, 124616, 128826, 130510, 132090, 132615, 132804, 136493, 137640, 140193, 143140, 144522, 147560, 150297, 151560, 155770, 155992, 156612, 158508, 160580, 166005, 171768, 175491, 176120, 176820, 182714, 186924, 189720, 192696, 194990, 195765, 198135, 200396, 206460, 212184, 214710, 218078, 221340, 221867, 226440, 233655, 233988, 234918, 240870, 250495, 257652, 261020, 264180, 264809, 265230, 265608, 272986, 274071, 280386, 286280, 289044, 292485, 300594, 311540, 313224, 317016, 321160, 322065, 327117, 332010, 350982, 353640, 361305, 365428, 373848, 389980, 391530, 396270, 400792, 409479, 412920, 429420, 436156, 442680, 443734, 450891, 456785, 467310, 467976, 469836, 481740, 482887, 500990, 515304, 522040, 528360, 529618, 530460, 545195, 545972, 548142, 560772, 578088, 584970, 587295, 601188, 623080, 644130, 654234, 664020, 665601, 682465, 700965, 701964, 722610, 730856, 751485, 779960, 783060, 792540, 794427, 818958, 822213, 858840, 872312, 877455, 887468, 901782, 913570, 934620, 939672, 963480, 965774, 981351, 1001980, 1059236, 1060920, 1090390, 1091944, 1096284, 1109335, 1121544, 1169940, 1174590, 1202376, 1228437, 1288260, 1308468, 1324045, 1328040, 1331202, 1364930, 1370355, 1401930, 1403928, 1445220, 1448661, 1502970, 1553069, 1566120, 1585080, 1588854, 1635585, 1637916, 1644426, 1754910, 1774936, 1803564, 1827140, 1853663, 1869240, 1931548, 1962702, 1996803, 2003960, 2047395, 2118472, 2180780, 2192568, 2218670, 2254455, 2339880, 2349180, 2383281, 2414435, 2456874, 2576520, 2616936, 2648090, 2662404, 2729860, 2740710, 2803860, 2890440, 2897322, 3005940, 3106138, 3177708, 3271170, 3275832, 3288852, 3328005, 3380209, 3509820, 3607128, 3654280, 3707326, 3863096, 3925404, 3972135, 3993606, 4094790, 4111065, 4345983, 4361560, 4437340, 4508910, 4659207, 4698360, 4766562, 4828870, 4906755, 4913748, 5296180, 5324808, 5459720, 5481420, 5560989, 5607720, 5794644, 6011880, 6142185, 6212276, 6355416, 6542340, 6577704, 6656010, 6760418, 7019640, 7243305, 7414652, 7765345, 7850808, 7944270, 7987212, 8189580, 8209079, 8222130, 8691966, 8874680, 9017820, 9268315, 9318414, 9533124, 9657740, 9813510, 9827496, 9984015, 10140627, 10592360, 10962840, 11121978, 11589288, 11916405, 12284370, 12424552, 13084680, 13312020, 13520836, 13977621, 14486610, 14829304, 15530690, 15888540, 15974424, 16379160, 16418158, 16444260, 16682967, 16901045, 17383932, 18035640, 18536630, 18636828, 19066248, 19315480, 19627020, 19968030, 20281254, 21729915, 22243956, 23296035, 23832810, 24568740, 24627237, 26624040, 27041672, 27804945, 27955242, 28973220, 30421881, 31061380, 31777080, 32836316, 32888520, 33365934, 33802090, 34767864, 37073260, 37273656, 39254040, 39936060, 40562508, 41045395, 43459830, 44487912, 46592070, 47665620, 49137480, 49254474, 50703135, 55609890, 55910484, 57463553, 57946440, 60843762, 62122760, 65672632, 66731868, 67604180, 69888105, 73881711, 74146520, 79872120, 81125016, 82090790, 83414835, 86919660, 93184140, 95331240, 98508948, 101406270, 111219780, 111820968, 114927106, 121687524, 123136185, 133463736, 135208360, 139776210, 147763422, 152109405, 164181580, 166829670, 172390659, 173839320, 186368280, 197017896, 202812540, 222439560, 229854212, 243375048, 246272370, 279552420, 287317765, 295526844, 304218810, 328363160, 333659340, 344781318, 369408555, 405625080, 459708424, 492544740, 517171977, 559104840, 574635530, 591053688, 608437620, 667318680, 689562636, 738817110, 861953295, 985089480, 1034343954, 1149271060, 1216875240, 1379125272, 1477634220, 1723906590, 2068687908, 2298542120, 2585859885, 2955268440, 3447813180, 4137375816, 5171719770, 6895626360, 10343439540, 20686879080]

約数ペア:

[(1, 20686879080), (2, 10343439540), (3, 6895626360), (4, 5171719770), (5, 4137375816), (6, 3447813180), (7, 2955268440), (8, 2585859885), (9, 2298542120), (10, 2068687908), (12, 1723906590), (14, 1477634220), (15, 1379125272), (17, 1216875240), (18, 1149271060), (20, 1034343954), (21, 985089480), (24, 861953295), (28, 738817110), (30, 689562636), (31, 667318680), (34, 608437620), (35, 591053688), (36, 574635530), (37, 559104840), (40, 517171977), (42, 492544740), (45, 459708424), (51, 405625080), (56, 369408555), (60, 344781318), (62, 333659340), (63, 328363160), (68, 304218810), (70, 295526844), (72, 287317765), (74, 279552420), (84, 246272370), (85, 243375048), (90, 229854212), (93, 222439560), (102, 202812540), (105, 197017896), (111, 186368280), (119, 173839320), (120, 172390659), (124, 166829670), (126, 164181580), (136, 152109405), (140, 147763422), (148, 139776210), (153, 135208360), (155, 133463736), (168, 123136185), (170, 121687524), (180, 114927106), (185, 111820968), (186, 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