729680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1303}}^1$

素因数の和:1323

約数の個数: 40

約数和(自身を含む): 1940352

約数和(自身を除く): 1210672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1303, 2606, 5212, 6515, 9121, 10424, 13030, 18242, 20848, 26060, 36484, 45605, 52120, 72968, 91210, 104240, 145936, 182420, 364840, 729680]

約数ペア:

[(1, 729680), (2, 364840), (4, 182420), (5, 145936), (7, 104240), (8, 91210), (10, 72968), (14, 52120), (16, 45605), (20, 36484), (28, 26060), (35, 20848), (40, 18242), (56, 13030), (70, 10424), (80, 9121), (112, 6515), (140, 5212), (280, 2606), (560, 1303)]