640960704

素因数分解:

$2^6\times 3^2\times {\mathrm{1112779}}^1$

素因数の和:1112797

約数の個数: 42

約数和(自身を含む): 1837199780

約数和(自身を除く): 1196239076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 1112779, 2225558, 3338337, 4451116, 6676674, 8902232, 10015011, 13353348, 17804464, 20030022, 26706696, 35608928, 40060044, 53413392, 71217856, 80120088, 106826784, 160240176, 213653568, 320480352, 640960704]

約数ペア:

[(1, 640960704), (2, 320480352), (3, 213653568), (4, 160240176), (6, 106826784), (8, 80120088), (9, 71217856), (12, 53413392), (16, 40060044), (18, 35608928), (24, 26706696), (32, 20030022), (36, 17804464), (48, 13353348), (64, 10015011), (72, 8902232), (96, 6676674), (144, 4451116), (192, 3338337), (288, 2225558), (576, 1112779)]