311283280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7219}}^1$

素因数の和:7257

約数の個数: 120

約数和(自身を含む): 918557280

約数和(自身を除く): 607274000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1960, 2156, 2695, 3080, 3920, 4312, 5390, 6160, 7219, 8624, 10780, 14438, 21560, 28876, 36095, 43120, 50533, 57752, 72190, 79409, 101066, 115504, 144380, 158818, 202132, 252665, 288760, 317636, 353731, 397045, 404264, 505330, 555863, 577520, 635272, 707462, 794090, 808528, 1010660, 1111726, 1270544, 1414924, 1588180, 1768655, 2021320, 2223452, 2779315, 2829848, 3176360, 3537310, 3891041, 4042640, 4446904, 5558630, 5659696, 6352720, 7074620, 7782082, 8893808, 11117260, 14149240, 15564164, 19455205, 22234520, 28298480, 31128328, 38910410, 44469040, 62256656, 77820820, 155641640, 311283280]

約数ペア:

[(1, 311283280), (2, 155641640), (4, 77820820), (5, 62256656), (7, 44469040), (8, 38910410), (10, 31128328), (11, 28298480), (14, 22234520), (16, 19455205), (20, 15564164), (22, 14149240), (28, 11117260), (35, 8893808), (40, 7782082), (44, 7074620), (49, 6352720), (55, 5659696), (56, 5558630), (70, 4446904), (77, 4042640), (80, 3891041), (88, 3537310), (98, 3176360), (110, 2829848), (112, 2779315), (140, 2223452), (154, 2021320), (176, 1768655), (196, 1588180), (220, 1414924), (245, 1270544), (280, 1111726), (308, 1010660), (385, 808528), (392, 794090), (440, 707462), (490, 635272), (539, 577520), (560, 555863), (616, 505330), (770, 404264), (784, 397045), (880, 353731), (980, 317636), (1078, 288760), (1232, 252665), (1540, 202132), (1960, 158818), (2156, 144380), (2695, 115504), (3080, 101066), (3920, 79409), (4312, 72190), (5390, 57752), (6160, 50533), (7219, 43120), (8624, 36095), (10780, 28876), (14438, 21560)]