139578880

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{7789}}^1$

素因数の和:7819

約数の個数: 80

約数和(自身を含む): 382520160

約数和(自身を除く): 242941280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 7789, 8960, 15578, 17920, 31156, 38945, 54523, 62312, 77890, 109046, 124624, 155780, 218092, 249248, 272615, 311560, 436184, 498496, 545230, 623120, 872368, 996992, 1090460, 1246240, 1744736, 1993984, 2180920, 2492480, 3489472, 3987968, 4361840, 4984960, 6978944, 8723680, 9969920, 13957888, 17447360, 19939840, 27915776, 34894720, 69789440, 139578880]

約数ペア:

[(1, 139578880), (2, 69789440), (4, 34894720), (5, 27915776), (7, 19939840), (8, 17447360), (10, 13957888), (14, 9969920), (16, 8723680), (20, 6978944), (28, 4984960), (32, 4361840), (35, 3987968), (40, 3489472), (56, 2492480), (64, 2180920), (70, 1993984), (80, 1744736), (112, 1246240), (128, 1090460), (140, 996992), (160, 872368), (224, 623120), (256, 545230), (280, 498496), (320, 436184), (448, 311560), (512, 272615), (560, 249248), (640, 218092), (896, 155780), (1120, 124624), (1280, 109046), (1792, 77890), (2240, 62312), (2560, 54523), (3584, 38945), (4480, 31156), (7789, 17920), (8960, 15578)]