66757120

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 162411480

約数和(自身を除く): 95654360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 293, 320, 356, 445, 512, 586, 640, 712, 890, 1172, 1280, 1424, 1465, 1780, 2344, 2560, 2848, 2930, 3560, 4688, 5696, 5860, 7120, 9376, 11392, 11720, 14240, 18752, 22784, 23440, 26077, 28480, 37504, 45568, 46880, 52154, 56960, 75008, 93760, 104308, 113920, 130385, 150016, 187520, 208616, 227840, 260770, 375040, 417232, 521540, 750080, 834464, 1043080, 1668928, 2086160, 3337856, 4172320, 6675712, 8344640, 13351424, 16689280, 33378560, 66757120]

約数ペア:

[(1, 66757120), (2, 33378560), (4, 16689280), (5, 13351424), (8, 8344640), (10, 6675712), (16, 4172320), (20, 3337856), (32, 2086160), (40, 1668928), (64, 1043080), (80, 834464), (89, 750080), (128, 521540), (160, 417232), (178, 375040), (256, 260770), (293, 227840), (320, 208616), (356, 187520), (445, 150016), (512, 130385), (586, 113920), (640, 104308), (712, 93760), (890, 75008), (1172, 56960), (1280, 52154), (1424, 46880), (1465, 45568), (1780, 37504), (2344, 28480), (2560, 26077), (2848, 23440), (2930, 22784), (3560, 18752), (4688, 14240), (5696, 11720), (5860, 11392), (7120, 9376)]