212113920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 160

約数和(自身を含む): 689420160

約数和(自身を除く): 477306240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 256, 284, 320, 355, 384, 389, 426, 480, 512, 568, 640, 710, 768, 778, 852, 960, 1065, 1136, 1167, 1280, 1420, 1536, 1556, 1704, 1920, 1945, 2130, 2272, 2334, 2560, 2840, 3112, 3408, 3840, 3890, 4260, 4544, 4668, 5680, 5835, 6224, 6816, 7680, 7780, 8520, 9088, 9336, 11360, 11670, 12448, 13632, 15560, 17040, 18176, 18672, 22720, 23340, 24896, 27264, 27619, 31120, 34080, 36352, 37344, 45440, 46680, 49792, 54528, 55238, 62240, 68160, 74688, 82857, 90880, 93360, 99584, 109056, 110476, 124480, 136320, 138095, 149376, 165714, 181760, 186720, 199168, 220952, 248960, 272640, 276190, 298752, 331428, 373440, 414285, 441904, 497920, 545280, 552380, 597504, 662856, 746880, 828570, 883808, 995840, 1104760, 1325712, 1493760, 1657140, 1767616, 2209520, 2651424, 2987520, 3314280, 3535232, 4419040, 5302848, 6628560, 7070464, 8838080, 10605696, 13257120, 14140928, 17676160, 21211392, 26514240, 35352320, 42422784, 53028480, 70704640, 106056960, 212113920]

約数ペア:

[(1, 212113920), (2, 106056960), (3, 70704640), (4, 53028480), (5, 42422784), (6, 35352320), (8, 26514240), (10, 21211392), (12, 17676160), (15, 14140928), (16, 13257120), (20, 10605696), (24, 8838080), (30, 7070464), (32, 6628560), (40, 5302848), (48, 4419040), (60, 3535232), (64, 3314280), (71, 2987520), (80, 2651424), (96, 2209520), (120, 1767616), (128, 1657140), (142, 1493760), (160, 1325712), (192, 1104760), (213, 995840), (240, 883808), (256, 828570), (284, 746880), (320, 662856), (355, 597504), (384, 552380), (389, 545280), (426, 497920), (480, 441904), (512, 414285), (568, 373440), (640, 331428), (710, 298752), (768, 276190), (778, 272640), (852, 248960), (960, 220952), (1065, 199168), (1136, 186720), (1167, 181760), (1280, 165714), (1420, 149376), (1536, 138095), (1556, 136320), (1704, 124480), (1920, 110476), (1945, 109056), (2130, 99584), (2272, 93360), (2334, 90880), (2560, 82857), (2840, 74688), (3112, 68160), (3408, 62240), (3840, 55238), (3890, 54528), (4260, 49792), (4544, 46680), (4668, 45440), (5680, 37344), (5835, 36352), (6224, 34080), (6816, 31120), (7680, 27619), (7780, 27264), (8520, 24896), (9088, 23340), (9336, 22720), (11360, 18672), (11670, 18176), (12448, 17040), (13632, 15560)]