77764640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 191600640

約数和(自身を除く): 113836000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 89, 127, 160, 172, 178, 215, 254, 344, 356, 430, 445, 508, 635, 688, 712, 860, 890, 1016, 1270, 1376, 1424, 1720, 1780, 2032, 2540, 2848, 3440, 3560, 3827, 4064, 5080, 5461, 6880, 7120, 7654, 10160, 10922, 11303, 14240, 15308, 19135, 20320, 21844, 22606, 27305, 30616, 38270, 43688, 45212, 54610, 56515, 61232, 76540, 87376, 90424, 109220, 113030, 122464, 153080, 174752, 180848, 218440, 226060, 306160, 361696, 436880, 452120, 486029, 612320, 873760, 904240, 972058, 1808480, 1944116, 2430145, 3888232, 4860290, 7776464, 9720580, 15552928, 19441160, 38882320, 77764640]

約数ペア:

[(1, 77764640), (2, 38882320), (4, 19441160), (5, 15552928), (8, 9720580), (10, 7776464), (16, 4860290), (20, 3888232), (32, 2430145), (40, 1944116), (43, 1808480), (80, 972058), (86, 904240), (89, 873760), (127, 612320), (160, 486029), (172, 452120), (178, 436880), (215, 361696), (254, 306160), (344, 226060), (356, 218440), (430, 180848), (445, 174752), (508, 153080), (635, 122464), (688, 113030), (712, 109220), (860, 90424), (890, 87376), (1016, 76540), (1270, 61232), (1376, 56515), (1424, 54610), (1720, 45212), (1780, 43688), (2032, 38270), (2540, 30616), (2848, 27305), (3440, 22606), (3560, 21844), (3827, 20320), (4064, 19135), (5080, 15308), (5461, 14240), (6880, 11303), (7120, 10922), (7654, 10160)]