77257680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{661}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 240353664

約数和(自身を除く): 163095984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 487, 661, 974, 1322, 1461, 1948, 1983, 2435, 2644, 2922, 3305, 3896, 3966, 4870, 5288, 5844, 6610, 7305, 7792, 7932, 9740, 9915, 10576, 11688, 13220, 14610, 15864, 19480, 19830, 23376, 26440, 29220, 31728, 38960, 39660, 52880, 58440, 79320, 116880, 158640, 321907, 643814, 965721, 1287628, 1609535, 1931442, 2575256, 3219070, 3862884, 4828605, 5150512, 6438140, 7725768, 9657210, 12876280, 15451536, 19314420, 25752560, 38628840, 77257680]

約数ペア:

[(1, 77257680), (2, 38628840), (3, 25752560), (4, 19314420), (5, 15451536), (6, 12876280), (8, 9657210), (10, 7725768), (12, 6438140), (15, 5150512), (16, 4828605), (20, 3862884), (24, 3219070), (30, 2575256), (40, 1931442), (48, 1609535), (60, 1287628), (80, 965721), (120, 643814), (240, 321907), (487, 158640), (661, 116880), (974, 79320), (1322, 58440), (1461, 52880), (1948, 39660), (1983, 38960), (2435, 31728), (2644, 29220), (2922, 26440), (3305, 23376), (3896, 19830), (3966, 19480), (4870, 15864), (5288, 14610), (5844, 13220), (6610, 11688), (7305, 10576), (7792, 9915), (7932, 9740)]