278754240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{290369}}^1$

素因数の和:290389

約数の個数: 56

約数和(自身を含む): 885047760

約数和(自身を除く): 606293520

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, 290369, 580738, 871107, 1161476, 1451845, 1742214, 2322952, 2903690, 3484428, 4355535, 4645904, 5807380, 6968856, 8711070, 9291808, 11614760, 13937712, 17422140, 18583616, 23229520, 27875424, 34844280, 46459040, 55750848, 69688560, 92918080, 139377120, 278754240]

約数ペア:

[(1, 278754240), (2, 139377120), (3, 92918080), (4, 69688560), (5, 55750848), (6, 46459040), (8, 34844280), (10, 27875424), (12, 23229520), (15, 18583616), (16, 17422140), (20, 13937712), (24, 11614760), (30, 9291808), (32, 8711070), (40, 6968856), (48, 5807380), (60, 4645904), (64, 4355535), (80, 3484428), (96, 2903690), (120, 2322952), (160, 1742214), (192, 1451845), (240, 1161476), (320, 871107), (480, 580738), (960, 290369)]