21878481240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263089}}^1$

素因数の和:263127

約数の個数: 256

約数和(自身を含む): 90923904000

約数和(自身を除く): 69045422760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3080, 3465, 3780, 3960, 4158, 4620, 5544, 5940, 6930, 7560, 8316, 9240, 10395, 11880, 13860, 16632, 20790, 27720, 41580, 83160, 263089, 526178, 789267, 1052356, 1315445, 1578534, 1841623, 2104712, 2367801, 2630890, 2893979, 3157068, 3683246, 3946335, 4735602, 5261780, 5524869, 5787958, 6314136, 7103403, 7366492, 7892670, 8681937, 9208115, 9471204, 10523560, 11049738, 11575916, 11839005, 14206806, 14469895, 14732984, 15785340, 16574607, 17363874, 18416230, 18942408, 20257853, 22099476, 23151832, 23678010, 26045811, 27624345, 28413612, 28939790, 31570680, 33149214, 34727748, 35517015, 36832460, 40515706, 43409685, 44198952, 47356020, 49723821, 52091622, 55248690, 56827224, 57879580, 60773559, 66298428, 69455496, 71034030, 73664920, 78137433, 81031412, 82873035, 86819370, 94712040, 99447642, 101289265, 104183244, 110497380, 115759160, 121547118, 130229055, 132596856, 142068060, 156274866, 162062824, 165746070, 173638740, 182320677, 198895284, 202578530, 208366488, 220994760, 243094236, 248619105, 260458110, 284136120, 303867795, 312549732, 331492140, 347277480, 364641354, 390687165, 397790568, 405157060, 486188472, 497238210, 520916220, 546962031, 607735590, 625099464, 662984280, 729282708, 781374330, 810314120, 911603385, 994476420, 1041832440, 1093924062, 1215471180, 1458565416, 1562748660, 1823206770, 1988952840, 2187848124, 2430942360, 2734810155, 3125497320, 3646413540, 4375696248, 5469620310, 7292827080, 10939240620, 21878481240]

約数ペア:

[(1, 21878481240), (2, 10939240620), (3, 7292827080), (4, 5469620310), (5, 4375696248), (6, 3646413540), (7, 3125497320), (8, 2734810155), (9, 2430942360), (10, 2187848124), (11, 1988952840), (12, 1823206770), (14, 1562748660), (15, 1458565416), (18, 1215471180), (20, 1093924062), (21, 1041832440), (22, 994476420), (24, 911603385), (27, 810314120), (28, 781374330), (30, 729282708), (33, 662984280), (35, 625099464), (36, 607735590), (40, 546962031), (42, 520916220), (44, 497238210), (45, 486188472), (54, 405157060), (55, 397790568), (56, 390687165), (60, 364641354), (63, 347277480), (66, 331492140), (70, 312549732), (72, 303867795), (77, 284136120), (84, 260458110), (88, 248619105), (90, 243094236), (99, 220994760), (105, 208366488), (108, 202578530), (110, 198895284), (120, 182320677), (126, 173638740), (132, 165746070), (135, 162062824), (140, 156274866), (154, 142068060), (165, 132596856), (168, 130229055), (180, 121547118), (189, 115759160), (198, 110497380), (210, 104183244), (216, 101289265), (220, 99447642), (231, 94712040), (252, 86819370), (264, 82873035), (270, 81031412), (280, 78137433), (297, 73664920), (308, 71034030), (315, 69455496), (330, 66298428), (360, 60773559), (378, 57879580), (385, 56827224), (396, 55248690), (420, 52091622), (440, 49723821), (462, 47356020), (495, 44198952), (504, 43409685), (540, 40515706), (594, 36832460), (616, 35517015), (630, 34727748), (660, 33149214), (693, 31570680), (756, 28939790), (770, 28413612), (792, 27624345), (840, 26045811), (924, 23678010), (945, 23151832), (990, 22099476), (1080, 20257853), (1155, 18942408), (1188, 18416230), (1260, 17363874), (1320, 16574607), (1386, 15785340), (1485, 14732984), (1512, 14469895), (1540, 14206806), (1848, 11839005), (1890, 11575916), (1980, 11049738), (2079, 10523560), (2310, 9471204), (2376, 9208115), (2520, 8681937), (2772, 7892670), (2970, 7366492), (3080, 7103403), (3465, 6314136), (3780, 5787958), (3960, 5524869), (4158, 5261780), (4620, 4735602), (5544, 3946335), (5940, 3683246), (6930, 3157068), (7560, 2893979), (8316, 2630890), (9240, 2367801), (10395, 2104712), (11880, 1841623), (13860, 1578534), (16632, 1315445), (20790, 1052356), (27720, 789267), (41580, 526178), (83160, 263089)]