78389120

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2311}}^1$

素因数の和:2383

約数の個数: 64

約数和(自身を含む): 191017440

約数和(自身を除く): 112628320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 2311, 3392, 4240, 4622, 6784, 8480, 9244, 11555, 16960, 18488, 23110, 33920, 36976, 46220, 73952, 92440, 122483, 147904, 184880, 244966, 295808, 369760, 489932, 612415, 739520, 979864, 1224830, 1479040, 1959728, 2449660, 3919456, 4899320, 7838912, 9798640, 15677824, 19597280, 39194560, 78389120]

約数ペア:

[(1, 78389120), (2, 39194560), (4, 19597280), (5, 15677824), (8, 9798640), (10, 7838912), (16, 4899320), (20, 3919456), (32, 2449660), (40, 1959728), (53, 1479040), (64, 1224830), (80, 979864), (106, 739520), (128, 612415), (160, 489932), (212, 369760), (265, 295808), (320, 244966), (424, 184880), (530, 147904), (640, 122483), (848, 92440), (1060, 73952), (1696, 46220), (2120, 36976), (2311, 33920), (3392, 23110), (4240, 18488), (4622, 16960), (6784, 11555), (8480, 9244)]