2987520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{389}}^1$

素因数の和:415

約数の個数: 80

約数和(自身を含む): 9575280

約数和(自身を除く): 6587760

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, 389, 480, 512, 640, 768, 778, 960, 1167, 1280, 1536, 1556, 1920, 1945, 2334, 2560, 3112, 3840, 3890, 4668, 5835, 6224, 7680, 7780, 9336, 11670, 12448, 15560, 18672, 23340, 24896, 31120, 37344, 46680, 49792, 62240, 74688, 93360, 99584, 124480, 149376, 186720, 199168, 248960, 298752, 373440, 497920, 597504, 746880, 995840, 1493760, 2987520]

約数ペア:

[(1, 2987520), (2, 1493760), (3, 995840), (4, 746880), (5, 597504), (6, 497920), (8, 373440), (10, 298752), (12, 248960), (15, 199168), (16, 186720), (20, 149376), (24, 124480), (30, 99584), (32, 93360), (40, 74688), (48, 62240), (60, 49792), (64, 46680), (80, 37344), (96, 31120), (120, 24896), (128, 23340), (160, 18672), (192, 15560), (240, 12448), (256, 11670), (320, 9336), (384, 7780), (389, 7680), (480, 6224), (512, 5835), (640, 4668), (768, 3890), (778, 3840), (960, 3112), (1167, 2560), (1280, 2334), (1536, 1945), (1556, 1920)]