1561760

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 3792096

約数和(自身を除く): 2230336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 227, 344, 430, 454, 688, 860, 908, 1135, 1376, 1720, 1816, 2270, 3440, 3632, 4540, 6880, 7264, 9080, 9761, 18160, 19522, 36320, 39044, 48805, 78088, 97610, 156176, 195220, 312352, 390440, 780880, 1561760]

約数ペア:

[(1, 1561760), (2, 780880), (4, 390440), (5, 312352), (8, 195220), (10, 156176), (16, 97610), (20, 78088), (32, 48805), (40, 39044), (43, 36320), (80, 19522), (86, 18160), (160, 9761), (172, 9080), (215, 7264), (227, 6880), (344, 4540), (430, 3632), (454, 3440), (688, 2270), (860, 1816), (908, 1720), (1135, 1376)]