42261520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10781}}^1$

素因数の和:10808

約数の個数: 60

約数和(自身を含む): 114310764

約数和(自身を除く): 72049244

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10781, 21562, 43124, 53905, 75467, 86248, 107810, 150934, 172496, 215620, 301868, 377335, 431240, 528269, 603736, 754670, 862480, 1056538, 1207472, 1509340, 2113076, 2641345, 3018680, 4226152, 5282690, 6037360, 8452304, 10565380, 21130760, 42261520]

約数ペア:

[(1, 42261520), (2, 21130760), (4, 10565380), (5, 8452304), (7, 6037360), (8, 5282690), (10, 4226152), (14, 3018680), (16, 2641345), (20, 2113076), (28, 1509340), (35, 1207472), (40, 1056538), (49, 862480), (56, 754670), (70, 603736), (80, 528269), (98, 431240), (112, 377335), (140, 301868), (196, 215620), (245, 172496), (280, 150934), (392, 107810), (490, 86248), (560, 75467), (784, 53905), (980, 43124), (1960, 21562), (3920, 10781)]