128226560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1301}}^1$

素因数の和:1340

約数の個数: 144

約数和(自身を含む): 383225472

約数和(自身を除く): 254998912

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1301, 1408, 1540, 1760, 1792, 2240, 2464, 2602, 2816, 3080, 3520, 4480, 4928, 5204, 6160, 6505, 7040, 8960, 9107, 9856, 10408, 12320, 13010, 14080, 14311, 18214, 19712, 20816, 24640, 26020, 28622, 36428, 41632, 45535, 49280, 52040, 57244, 71555, 72856, 83264, 91070, 98560, 100177, 104080, 114488, 143110, 145712, 166528, 182140, 200354, 208160, 228976, 286220, 291424, 333056, 364280, 400708, 416320, 457952, 500885, 572440, 582848, 728560, 801416, 832640, 915904, 1001770, 1144880, 1165696, 1457120, 1602832, 1665280, 1831808, 2003540, 2289760, 2331392, 2914240, 3205664, 3663616, 4007080, 4579520, 5828480, 6411328, 8014160, 9159040, 11656960, 12822656, 16028320, 18318080, 25645312, 32056640, 64113280, 128226560]

約数ペア:

[(1, 128226560), (2, 64113280), (4, 32056640), (5, 25645312), (7, 18318080), (8, 16028320), (10, 12822656), (11, 11656960), (14, 9159040), (16, 8014160), (20, 6411328), (22, 5828480), (28, 4579520), (32, 4007080), (35, 3663616), (40, 3205664), (44, 2914240), (55, 2331392), (56, 2289760), (64, 2003540), (70, 1831808), (77, 1665280), (80, 1602832), (88, 1457120), (110, 1165696), (112, 1144880), (128, 1001770), (140, 915904), (154, 832640), (160, 801416), (176, 728560), (220, 582848), (224, 572440), (256, 500885), (280, 457952), (308, 416320), (320, 400708), (352, 364280), (385, 333056), (440, 291424), (448, 286220), (560, 228976), (616, 208160), (640, 200354), (704, 182140), (770, 166528), (880, 145712), (896, 143110), (1120, 114488), (1232, 104080), (1280, 100177), (1301, 98560), (1408, 91070), (1540, 83264), (1760, 72856), (1792, 71555), (2240, 57244), (2464, 52040), (2602, 49280), (2816, 45535), (3080, 41632), (3520, 36428), (4480, 28622), (4928, 26020), (5204, 24640), (6160, 20816), (6505, 19712), (7040, 18214), (8960, 14311), (9107, 14080), (9856, 13010), (10408, 12320)]