17866240

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1027

約数の個数: 80

約数和(自身を含む): 49005792

約数和(自身を除く): 31139552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 997, 1120, 1280, 1792, 1994, 2240, 2560, 3584, 3988, 4480, 4985, 6979, 7976, 8960, 9970, 13958, 15952, 17920, 19940, 27916, 31904, 34895, 39880, 55832, 63808, 69790, 79760, 111664, 127616, 139580, 159520, 223328, 255232, 279160, 319040, 446656, 510464, 558320, 638080, 893312, 1116640, 1276160, 1786624, 2233280, 2552320, 3573248, 4466560, 8933120, 17866240]

約数ペア:

[(1, 17866240), (2, 8933120), (4, 4466560), (5, 3573248), (7, 2552320), (8, 2233280), (10, 1786624), (14, 1276160), (16, 1116640), (20, 893312), (28, 638080), (32, 558320), (35, 510464), (40, 446656), (56, 319040), (64, 279160), (70, 255232), (80, 223328), (112, 159520), (128, 139580), (140, 127616), (160, 111664), (224, 79760), (256, 69790), (280, 63808), (320, 55832), (448, 39880), (512, 34895), (560, 31904), (640, 27916), (896, 19940), (997, 17920), (1120, 15952), (1280, 13958), (1792, 9970), (1994, 8960), (2240, 7976), (2560, 6979), (3584, 4985), (3988, 4480)]