660857280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{688393}}^1$

素因数の和:688413

約数の個数: 56

約数和(自身を含む): 2098224912

約数和(自身を除く): 1437367632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 688393, 1376786, 2065179, 2753572, 3441965, 4130358, 5507144, 6883930, 8260716, 10325895, 11014288, 13767860, 16521432, 20651790, 22028576, 27535720, 33042864, 41303580, 44057152, 55071440, 66085728, 82607160, 110142880, 132171456, 165214320, 220285760, 330428640, 660857280]

約数ペア:

[(1, 660857280), (2, 330428640), (3, 220285760), (4, 165214320), (5, 132171456), (6, 110142880), (8, 82607160), (10, 66085728), (12, 55071440), (15, 44057152), (16, 41303580), (20, 33042864), (24, 27535720), (30, 22028576), (32, 20651790), (40, 16521432), (48, 13767860), (60, 11014288), (64, 10325895), (80, 8260716), (96, 6883930), (120, 5507144), (160, 4130358), (192, 3441965), (240, 2753572), (320, 2065179), (480, 1376786), (960, 688393)]