77556640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69247}}^1$

素因数の和:69269

約数の個数: 48

約数和(自身を含む): 209405952

約数和(自身を除く): 131849312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69247, 138494, 276988, 346235, 484729, 553976, 692470, 969458, 1107952, 1384940, 1938916, 2215904, 2423645, 2769880, 3877832, 4847290, 5539760, 7755664, 9694580, 11079520, 15511328, 19389160, 38778320, 77556640]

約数ペア:

[(1, 77556640), (2, 38778320), (4, 19389160), (5, 15511328), (7, 11079520), (8, 9694580), (10, 7755664), (14, 5539760), (16, 4847290), (20, 3877832), (28, 2769880), (32, 2423645), (35, 2215904), (40, 1938916), (56, 1384940), (70, 1107952), (80, 969458), (112, 692470), (140, 553976), (160, 484729), (224, 346235), (280, 276988), (560, 138494), (1120, 69247)]