767120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 40

約数和(自身を含む): 1833216

約数和(自身を除く): 1066096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 223, 344, 430, 446, 688, 860, 892, 1115, 1720, 1784, 2230, 3440, 3568, 4460, 8920, 9589, 17840, 19178, 38356, 47945, 76712, 95890, 153424, 191780, 383560, 767120]

約数ペア:

[(1, 767120), (2, 383560), (4, 191780), (5, 153424), (8, 95890), (10, 76712), (16, 47945), (20, 38356), (40, 19178), (43, 17840), (80, 9589), (86, 8920), (172, 4460), (215, 3568), (223, 3440), (344, 2230), (430, 1784), (446, 1720), (688, 1115), (860, 892)]