1240775680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3617}}^1$

素因数の和:3709

約数の個数: 88

約数和(自身を含む): 3021666768

約数和(自身を除く): 1780891088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 512, 536, 640, 670, 1024, 1072, 1280, 1340, 2144, 2560, 2680, 3617, 4288, 5120, 5360, 7234, 8576, 10720, 14468, 17152, 18085, 21440, 28936, 34304, 36170, 42880, 57872, 68608, 72340, 85760, 115744, 144680, 171520, 231488, 242339, 289360, 343040, 462976, 484678, 578720, 925952, 969356, 1157440, 1211695, 1851904, 1938712, 2314880, 2423390, 3703808, 3877424, 4629760, 4846780, 7754848, 9259520, 9693560, 15509696, 18519040, 19387120, 31019392, 38774240, 62038784, 77548480, 124077568, 155096960, 248155136, 310193920, 620387840, 1240775680]

約数ペア:

[(1, 1240775680), (2, 620387840), (4, 310193920), (5, 248155136), (8, 155096960), (10, 124077568), (16, 77548480), (20, 62038784), (32, 38774240), (40, 31019392), (64, 19387120), (67, 18519040), (80, 15509696), (128, 9693560), (134, 9259520), (160, 7754848), (256, 4846780), (268, 4629760), (320, 3877424), (335, 3703808), (512, 2423390), (536, 2314880), (640, 1938712), (670, 1851904), (1024, 1211695), (1072, 1157440), (1280, 969356), (1340, 925952), (2144, 578720), (2560, 484678), (2680, 462976), (3617, 343040), (4288, 289360), (5120, 242339), (5360, 231488), (7234, 171520), (8576, 144680), (10720, 115744), (14468, 85760), (17152, 72340), (18085, 68608), (21440, 57872), (28936, 42880), (34304, 36170)]