20561317920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3297

約数の個数: 576

約数和(自身を含む): 85117713408

約数和(自身を除く): 64556395488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 31, 32, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 62, 65, 66, 72, 78, 80, 88, 90, 93, 96, 99, 104, 110, 117, 120, 124, 130, 132, 143, 144, 155, 156, 160, 165, 176, 180, 186, 195, 198, 208, 220, 234, 240, 248, 260, 264, 279, 286, 288, 310, 312, 330, 341, 352, 360, 372, 390, 396, 403, 416, 429, 440, 465, 468, 480, 495, 496, 520, 528, 558, 572, 585, 620, 624, 660, 682, 715, 720, 744, 780, 792, 806, 858, 880, 930, 936, 990, 992, 1023, 1040, 1056, 1116, 1144, 1170, 1209, 1240, 1248, 1287, 1320, 1364, 1395, 1430, 1440, 1488, 1560, 1584, 1612, 1705, 1716, 1760, 1860, 1872, 1980, 2015, 2046, 2080, 2145, 2232, 2288, 2340, 2418, 2480, 2574, 2640, 2728, 2790, 2860, 2976, 3069, 3120, 3168, 3221, 3224, 3410, 3432, 3627, 3720, 3744, 3960, 4030, 4092, 4290, 4433, 4464, 4576, 4680, 4836, 4960, 5115, 5148, 5280, 5456, 5580, 5720, 6045, 6138, 6240, 6435, 6442, 6448, 6820, 6864, 7254, 7440, 7920, 8060, 8184, 8580, 8866, 8928, 9360, 9663, 9672, 10230, 10296, 10912, 11160, 11440, 12090, 12276, 12870, 12884, 12896, 13299, 13640, 13728, 14508, 14880, 15345, 15840, 16105, 16120, 16368, 17160, 17732, 18135, 18720, 19326, 19344, 20460, 20592, 22165, 22320, 22880, 24180, 24552, 25740, 25768, 26598, 27280, 28989, 29016, 30690, 32210, 32240, 32736, 34320, 35431, 35464, 36270, 38652, 38688, 39897, 40920, 41184, 41873, 44330, 44640, 48315, 48360, 49104, 51480, 51536, 53196, 54560, 57978, 58032, 61380, 64420, 64480, 66495, 68640, 70862, 70928, 72540, 77304, 79794, 81840, 83746, 88660, 96630, 96720, 98208, 99851, 102960, 103072, 106293, 106392, 115956, 116064, 122760, 125619, 128840, 132990, 141724, 141856, 144945, 145080, 154608, 159588, 163680, 167492, 177155, 177320, 193260, 193440, 199485, 199702, 205920, 209365, 212586, 212784, 231912, 245520, 251238, 257680, 265980, 283448, 289890, 290160, 299553, 309216, 318879, 319176, 334984, 354310, 354640, 376857, 386520, 398970, 399404, 418730, 425172, 425568, 460603, 463824, 491040, 499255, 502476, 515360, 531465, 531960, 566896, 579780, 580320, 599106, 628095, 637758, 638352, 669968, 708620, 709280, 753714, 773040, 797940, 798808, 837460, 850344, 898659, 921206, 927648, 998510, 1004952, 1062930, 1063920, 1098361, 1133792, 1159560, 1198212, 1256190, 1275516, 1276704, 1298063, 1339936, 1381809, 1417240, 1497765, 1507428, 1546080, 1594395, 1595880, 1597616, 1674920, 1700688, 1797318, 1842412, 1884285, 1997020, 2009904, 2125860, 2127840, 2196722, 2303015, 2319120, 2396424, 2512380, 2551032, 2596126, 2763618, 2834480, 2995530, 3014856, 3188790, 3191760, 3195232, 3295083, 3349840, 3401376, 3594636, 3684824, 3768570, 3894189, 3994040, 4019808, 4145427, 4251720, 4393444, 4493295, 4606030, 4638240, 4792848, 5024760, 5102064, 5192252, 5491805, 5527236, 5668960, 5991060, 6029712, 6377580, 6383520, 6490315, 6590166, 6699680, 6909045, 7189272, 7369648, 7537140, 7788378, 7988080, 8290854, 8503440, 8786888, 8986590, 9212060, 9585696, 9885249, 10049520, 10204128, 10384504, 10983610, 11054472, 11682567, 11982120, 12059424, 12755160, 12980630, 13180332, 13818090, 14278693, 14378544, 14739296, 15074280, 15576756, 15976160, 16475415, 16581708, 17006880, 17573776, 17973180, 18424120, 19470945, 19770498, 20099040, 20727135, 20769008, 21967220, 22108944, 23365134, 23964240, 25510320, 25961260, 26360664, 27636180, 28557386, 28757088, 30148560, 31153512, 32950830, 33163416, 35147552, 35946360, 36848240, 38941890, 39540996, 41454270, 41538016, 42836079, 43934440, 44217888, 46730268, 47928480, 49426245, 51020640, 51922520, 52721328, 55272360, 57114772, 58412835, 60297120, 62307024, 65901660, 66326832, 71393465, 71892720, 73696480, 77883780, 79081992, 82908540, 85672158, 87868880, 93460536, 98852490, 103845040, 105442656, 110544720, 114229544, 116825670, 124614048, 128508237, 131803320, 132653664, 142786930, 143785440, 155767560, 158163984, 165817080, 171344316, 175737760, 186921072, 197704980, 207690080, 214180395, 221089440, 228459088, 233651340, 257016474, 263606640, 285573860, 311535120, 316327968, 331634160, 342688632, 373842144, 395409960, 428360790, 456918176, 467302680, 514032948, 527213280, 571147720, 623070240, 642541185, 663268320, 685377264, 790819920, 856721580, 934605360, 1028065896, 1142295440, 1285082370, 1370754528, 1581639840, 1713443160, 1869210720, 2056131792, 2284590880, 2570164740, 3426886320, 4112263584, 5140329480, 6853772640, 10280658960, 20561317920]

約数ペア:

[(1, 20561317920), (2, 10280658960), (3, 6853772640), (4, 5140329480), (5, 4112263584), (6, 3426886320), (8, 2570164740), (9, 2284590880), (10, 2056131792), (11, 1869210720), (12, 1713443160), (13, 1581639840), (15, 1370754528), (16, 1285082370), (18, 1142295440), (20, 1028065896), (22, 934605360), (24, 856721580), (26, 790819920), (30, 685377264), (31, 663268320), (32, 642541185), (33, 623070240), (36, 571147720), (39, 527213280), (40, 514032948), (44, 467302680), (45, 456918176), (48, 428360790), (52, 395409960), (55, 373842144), (60, 342688632), (62, 331634160), (65, 316327968), (66, 311535120), (72, 285573860), (78, 263606640), (80, 257016474), (88, 233651340), (90, 228459088), (93, 221089440), (96, 214180395), (99, 207690080), (104, 197704980), (110, 186921072), (117, 175737760), (120, 171344316), (124, 165817080), (130, 158163984), (132, 155767560), (143, 143785440), (144, 142786930), (155, 132653664), (156, 131803320), (160, 128508237), (165, 124614048), (176, 116825670), (180, 114229544), (186, 110544720), (195, 105442656), (198, 103845040), (208, 98852490), (220, 93460536), (234, 87868880), (240, 85672158), (248, 82908540), (260, 79081992), (264, 77883780), (279, 73696480), (286, 71892720), (288, 71393465), (310, 66326832), (312, 65901660), (330, 62307024), (341, 60297120), (352, 58412835), (360, 57114772), (372, 55272360), (390, 52721328), (396, 51922520), (403, 51020640), (416, 49426245), (429, 47928480), (440, 46730268), (465, 44217888), (468, 43934440), (480, 42836079), (495, 41538016), (496, 41454270), (520, 39540996), (528, 38941890), (558, 36848240), (572, 35946360), (585, 35147552), (620, 33163416), (624, 32950830), (660, 31153512), (682, 30148560), (715, 28757088), (720, 28557386), (744, 27636180), (780, 26360664), (792, 25961260), (806, 25510320), (858, 23964240), (880, 23365134), (930, 22108944), (936, 21967220), (990, 20769008), (992, 20727135), (1023, 20099040), (1040, 19770498), (1056, 19470945), (1116, 18424120), (1144, 17973180), (1170, 17573776), (1209, 17006880), (1240, 16581708), (1248, 16475415), (1287, 15976160), (1320, 15576756), (1364, 15074280), (1395, 14739296), (1430, 14378544), (1440, 14278693), (1488, 13818090), (1560, 13180332), (1584, 12980630), (1612, 12755160), (1705, 12059424), (1716, 11982120), (1760, 11682567), (1860, 11054472), (1872, 10983610), (1980, 10384504), (2015, 10204128), (2046, 10049520), (2080, 9885249), (2145, 9585696), (2232, 9212060), (2288, 8986590), (2340, 8786888), (2418, 8503440), (2480, 8290854), (2574, 7988080), (2640, 7788378), (2728, 7537140), (2790, 7369648), (2860, 7189272), (2976, 6909045), (3069, 6699680), (3120, 6590166), (3168, 6490315), (3221, 6383520), (3224, 6377580), (3410, 6029712), (3432, 5991060), (3627, 5668960), (3720, 5527236), (3744, 5491805), (3960, 5192252), (4030, 5102064), (4092, 5024760), (4290, 4792848), (4433, 4638240), (4464, 4606030), (4576, 4493295), (4680, 4393444), (4836, 4251720), (4960, 4145427), (5115, 4019808), (5148, 3994040), (5280, 3894189), (5456, 3768570), (5580, 3684824), (5720, 3594636), (6045, 3401376), (6138, 3349840), (6240, 3295083), (6435, 3195232), (6442, 3191760), (6448, 3188790), (6820, 3014856), (6864, 2995530), (7254, 2834480), (7440, 2763618), (7920, 2596126), (8060, 2551032), (8184, 2512380), (8580, 2396424), (8866, 2319120), (8928, 2303015), (9360, 2196722), (9663, 2127840), (9672, 2125860), (10230, 2009904), (10296, 1997020), (10912, 1884285), (11160, 1842412), (11440, 1797318), (12090, 1700688), (12276, 1674920), (12870, 1597616), (12884, 1595880), (12896, 1594395), (13299, 1546080), (13640, 1507428), (13728, 1497765), (14508, 1417240), (14880, 1381809), (15345, 1339936), (15840, 1298063), (16105, 1276704), (16120, 1275516), (16368, 1256190), (17160, 1198212), (17732, 1159560), (18135, 1133792), (18720, 1098361), (19326, 1063920), (19344, 1062930), (20460, 1004952), (20592, 998510), (22165, 927648), (22320, 921206), (22880, 898659), (24180, 850344), (24552, 837460), (25740, 798808), (25768, 797940), (26598, 773040), (27280, 753714), (28989, 709280), (29016, 708620), (30690, 669968), (32210, 638352), (32240, 637758), (32736, 628095), (34320, 599106), (35431, 580320), (35464, 579780), (36270, 566896), (38652, 531960), (38688, 531465), (39897, 515360), (40920, 502476), (41184, 499255), (41873, 491040), (44330, 463824), (44640, 460603), (48315, 425568), (48360, 425172), (49104, 418730), (51480, 399404), (51536, 398970), (53196, 386520), (54560, 376857), (57978, 354640), (58032, 354310), (61380, 334984), (64420, 319176), (64480, 318879), (66495, 309216), (68640, 299553), (70862, 290160), (70928, 289890), (72540, 283448), (77304, 265980), (79794, 257680), (81840, 251238), (83746, 245520), (88660, 231912), (96630, 212784), (96720, 212586), (98208, 209365), (99851, 205920), (102960, 199702), (103072, 199485), (106293, 193440), (106392, 193260), (115956, 177320), (116064, 177155), (122760, 167492), (125619, 163680), (128840, 159588), (132990, 154608), (141724, 145080), (141856, 144945)]