1535380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 4023936

約数和(自身を除く): 2488556

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 997, 1540, 1994, 3988, 4985, 6979, 9970, 10967, 13958, 19940, 21934, 27916, 34895, 43868, 54835, 69790, 76769, 109670, 139580, 153538, 219340, 307076, 383845, 767690, 1535380]

約数ペア:

[(1, 1535380), (2, 767690), (4, 383845), (5, 307076), (7, 219340), (10, 153538), (11, 139580), (14, 109670), (20, 76769), (22, 69790), (28, 54835), (35, 43868), (44, 34895), (55, 27916), (70, 21934), (77, 19940), (110, 13958), (140, 10967), (154, 9970), (220, 6979), (308, 4985), (385, 3988), (770, 1994), (997, 1540)]