77909440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{34781}}^1$

素因数の和:34805

約数の個数: 56

約数和(自身を含む): 212031072

約数和(自身を除く): 134121632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 34781, 69562, 139124, 173905, 243467, 278248, 347810, 486934, 556496, 695620, 973868, 1112992, 1217335, 1391240, 1947736, 2225984, 2434670, 2782480, 3895472, 4869340, 5564960, 7790944, 9738680, 11129920, 15581888, 19477360, 38954720, 77909440]

約数ペア:

[(1, 77909440), (2, 38954720), (4, 19477360), (5, 15581888), (7, 11129920), (8, 9738680), (10, 7790944), (14, 5564960), (16, 4869340), (20, 3895472), (28, 2782480), (32, 2434670), (35, 2225984), (40, 1947736), (56, 1391240), (64, 1217335), (70, 1112992), (80, 973868), (112, 695620), (140, 556496), (160, 486934), (224, 347810), (280, 278248), (320, 243467), (448, 173905), (560, 139124), (1120, 69562), (2240, 34781)]