777280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{347}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 2121408

約数和(自身を除く): 1344128

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, 347, 448, 560, 694, 1120, 1388, 1735, 2240, 2429, 2776, 3470, 4858, 5552, 6940, 9716, 11104, 12145, 13880, 19432, 22208, 24290, 27760, 38864, 48580, 55520, 77728, 97160, 111040, 155456, 194320, 388640, 777280]

約数ペア:

[(1, 777280), (2, 388640), (4, 194320), (5, 155456), (7, 111040), (8, 97160), (10, 77728), (14, 55520), (16, 48580), (20, 38864), (28, 27760), (32, 24290), (35, 22208), (40, 19432), (56, 13880), (64, 12145), (70, 11104), (80, 9716), (112, 6940), (140, 5552), (160, 4858), (224, 3470), (280, 2776), (320, 2429), (347, 2240), (448, 1735), (560, 1388), (694, 1120)]