859520120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21727}}^1$

素因数の和:21804

約数の個数: 64

約数和(自身を含む): 2065029120

約数和(自身を除く): 1205509000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9890, 19780, 21727, 39560, 43454, 86908, 108635, 173816, 217270, 434540, 499721, 869080, 934261, 999442, 1868522, 1998884, 2498605, 3737044, 3997768, 4671305, 4997210, 7474088, 9342610, 9994420, 18685220, 19988840, 21488003, 37370440, 42976006, 85952012, 107440015, 171904024, 214880030, 429760060, 859520120]

約数ペア:

[(1, 859520120), (2, 429760060), (4, 214880030), (5, 171904024), (8, 107440015), (10, 85952012), (20, 42976006), (23, 37370440), (40, 21488003), (43, 19988840), (46, 18685220), (86, 9994420), (92, 9342610), (115, 7474088), (172, 4997210), (184, 4671305), (215, 3997768), (230, 3737044), (344, 2498605), (430, 1998884), (460, 1868522), (860, 999442), (920, 934261), (989, 869080), (1720, 499721), (1978, 434540), (3956, 217270), (4945, 173816), (7912, 108635), (9890, 86908), (19780, 43454), (21727, 39560)]