21387998880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1348

約数の個数: 288

約数和(自身を含む): 74316662784

約数和(自身を除く): 52928663904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 107, 120, 127, 144, 160, 180, 214, 240, 254, 288, 321, 360, 381, 428, 480, 508, 535, 635, 642, 720, 762, 856, 963, 1016, 1070, 1093, 1143, 1270, 1284, 1440, 1524, 1605, 1712, 1905, 1926, 2032, 2140, 2186, 2286, 2540, 2568, 3048, 3210, 3279, 3424, 3810, 3852, 4064, 4280, 4372, 4572, 4815, 5080, 5136, 5465, 5715, 6096, 6420, 6558, 7620, 7704, 8560, 8744, 9144, 9630, 9837, 10160, 10272, 10930, 11430, 12192, 12840, 13116, 13589, 15240, 15408, 16395, 17120, 17488, 18288, 19260, 19674, 20320, 21860, 22860, 25680, 26232, 27178, 30480, 30816, 32790, 34976, 36576, 38520, 39348, 40767, 43720, 45720, 49185, 51360, 52464, 54356, 60960, 65580, 67945, 77040, 78696, 81534, 87440, 91440, 98370, 104928, 108712, 116951, 122301, 131160, 135890, 138811, 154080, 157392, 163068, 174880, 182880, 196740, 203835, 217424, 233902, 244602, 262320, 271780, 277622, 314784, 326136, 350853, 393480, 407670, 416433, 434848, 467804, 489204, 524640, 543560, 555244, 584755, 611505, 652272, 694055, 701706, 786960, 815340, 832866, 935608, 978408, 1052559, 1087120, 1110488, 1169510, 1223010, 1249299, 1304544, 1388110, 1403412, 1573920, 1630680, 1665732, 1754265, 1871216, 1956816, 2082165, 2105118, 2174240, 2220976, 2339020, 2446020, 2498598, 2776220, 2806824, 3261360, 3331464, 3508530, 3742432, 3913632, 4164330, 4210236, 4441952, 4678040, 4892040, 4997196, 5262795, 5552440, 5613648, 6246495, 6522720, 6662928, 7017060, 8328660, 8420472, 9356080, 9784080, 9994392, 10525590, 11104880, 11227296, 12492990, 13325856, 14034120, 14852777, 16657320, 16840944, 18712160, 19568160, 19988784, 21051180, 22209760, 24985980, 28068240, 29705554, 33314640, 33681888, 39977568, 42102360, 44558331, 49971960, 56136480, 59411108, 66629280, 74263885, 84204720, 89116662, 99943920, 118822216, 133674993, 148527770, 168409440, 178233324, 199887840, 222791655, 237644432, 267349986, 297055540, 356466648, 445583310, 475288864, 534699972, 594111080, 668374965, 712933296, 891166620, 1069399944, 1188222160, 1336749930, 1425866592, 1782333240, 2138799888, 2376444320, 2673499860, 3564666480, 4277599776, 5346999720, 7129332960, 10693999440, 21387998880]

約数ペア:

[(1, 21387998880), (2, 10693999440), (3, 7129332960), (4, 5346999720), (5, 4277599776), (6, 3564666480), (8, 2673499860), (9, 2376444320), (10, 2138799888), (12, 1782333240), (15, 1425866592), (16, 1336749930), (18, 1188222160), (20, 1069399944), (24, 891166620), (30, 712933296), (32, 668374965), (36, 594111080), (40, 534699972), (45, 475288864), (48, 445583310), (60, 356466648), (72, 297055540), (80, 267349986), (90, 237644432), (96, 222791655), (107, 199887840), (120, 178233324), (127, 168409440), (144, 148527770), (160, 133674993), (180, 118822216), (214, 99943920), (240, 89116662), (254, 84204720), (288, 74263885), (321, 66629280), (360, 59411108), (381, 56136480), (428, 49971960), (480, 44558331), (508, 42102360), (535, 39977568), (635, 33681888), (642, 33314640), (720, 29705554), (762, 28068240), (856, 24985980), (963, 22209760), (1016, 21051180), (1070, 19988784), (1093, 19568160), (1143, 18712160), (1270, 16840944), (1284, 16657320), (1440, 14852777), (1524, 14034120), (1605, 13325856), (1712, 12492990), (1905, 11227296), (1926, 11104880), (2032, 10525590), (2140, 9994392), (2186, 9784080), (2286, 9356080), (2540, 8420472), (2568, 8328660), (3048, 7017060), (3210, 6662928), (3279, 6522720), (3424, 6246495), (3810, 5613648), (3852, 5552440), (4064, 5262795), (4280, 4997196), (4372, 4892040), (4572, 4678040), (4815, 4441952), (5080, 4210236), (5136, 4164330), (5465, 3913632), (5715, 3742432), (6096, 3508530), (6420, 3331464), (6558, 3261360), (7620, 2806824), (7704, 2776220), (8560, 2498598), (8744, 2446020), (9144, 2339020), (9630, 2220976), (9837, 2174240), (10160, 2105118), (10272, 2082165), (10930, 1956816), (11430, 1871216), (12192, 1754265), (12840, 1665732), (13116, 1630680), (13589, 1573920), (15240, 1403412), (15408, 1388110), (16395, 1304544), (17120, 1249299), (17488, 1223010), (18288, 1169510), (19260, 1110488), (19674, 1087120), (20320, 1052559), (21860, 978408), (22860, 935608), (25680, 832866), (26232, 815340), (27178, 786960), (30480, 701706), (30816, 694055), (32790, 652272), (34976, 611505), (36576, 584755), (38520, 555244), (39348, 543560), (40767, 524640), (43720, 489204), (45720, 467804), (49185, 434848), (51360, 416433), (52464, 407670), (54356, 393480), (60960, 350853), (65580, 326136), (67945, 314784), (77040, 277622), (78696, 271780), (81534, 262320), (87440, 244602), (91440, 233902), (98370, 217424), (104928, 203835), (108712, 196740), (116951, 182880), (122301, 174880), (131160, 163068), (135890, 157392), (138811, 154080)]