1456280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{743}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 3816720

約数和(自身を除く): 2360440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 743, 980, 1486, 1960, 2972, 3715, 5201, 5944, 7430, 10402, 14860, 20804, 26005, 29720, 36407, 41608, 52010, 72814, 104020, 145628, 182035, 208040, 291256, 364070, 728140, 1456280]

約数ペア:

[(1, 1456280), (2, 728140), (4, 364070), (5, 291256), (7, 208040), (8, 182035), (10, 145628), (14, 104020), (20, 72814), (28, 52010), (35, 41608), (40, 36407), (49, 29720), (56, 26005), (70, 20804), (98, 14860), (140, 10402), (196, 7430), (245, 5944), (280, 5201), (392, 3715), (490, 2972), (743, 1960), (980, 1486)]