254987520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{66403}}^1$

素因数の和:66427

約数の個数: 72

約数和(自身を含む): 814378656

約数和(自身を除く): 559391136

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, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 66403, 132806, 199209, 265612, 332015, 398418, 531224, 664030, 796836, 996045, 1062448, 1328060, 1593672, 1992090, 2124896, 2656120, 3187344, 3984180, 4249792, 5312240, 6374688, 7968360, 8499584, 10624480, 12749376, 15936720, 16999168, 21248960, 25498752, 31873440, 42497920, 50997504, 63746880, 84995840, 127493760, 254987520]

約数ペア:

[(1, 254987520), (2, 127493760), (3, 84995840), (4, 63746880), (5, 50997504), (6, 42497920), (8, 31873440), (10, 25498752), (12, 21248960), (15, 16999168), (16, 15936720), (20, 12749376), (24, 10624480), (30, 8499584), (32, 7968360), (40, 6374688), (48, 5312240), (60, 4249792), (64, 3984180), (80, 3187344), (96, 2656120), (120, 2124896), (128, 1992090), (160, 1593672), (192, 1328060), (240, 1062448), (256, 996045), (320, 796836), (384, 664030), (480, 531224), (640, 398418), (768, 332015), (960, 265612), (1280, 199209), (1920, 132806), (3840, 66403)]