129120880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{32939}}^1$

素因数の和:32966

約数の個数: 60

約数和(自身を含む): 349229880

約数和(自身を除く): 220109000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 32939, 65878, 131756, 164695, 230573, 263512, 329390, 461146, 527024, 658780, 922292, 1152865, 1317560, 1614011, 1844584, 2305730, 2635120, 3228022, 3689168, 4611460, 6456044, 8070055, 9222920, 12912088, 16140110, 18445840, 25824176, 32280220, 64560440, 129120880]

約数ペア:

[(1, 129120880), (2, 64560440), (4, 32280220), (5, 25824176), (7, 18445840), (8, 16140110), (10, 12912088), (14, 9222920), (16, 8070055), (20, 6456044), (28, 4611460), (35, 3689168), (40, 3228022), (49, 2635120), (56, 2305730), (70, 1844584), (80, 1614011), (98, 1317560), (112, 1152865), (140, 922292), (196, 658780), (245, 527024), (280, 461146), (392, 329390), (490, 263512), (560, 230573), (784, 164695), (980, 131756), (1960, 65878), (3920, 32939)]