129080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 332640

約数和(自身を除く): 203560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461, 922, 1844, 2305, 3227, 3688, 4610, 6454, 9220, 12908, 16135, 18440, 25816, 32270, 64540, 129080]

約数ペア:

[(1, 129080), (2, 64540), (4, 32270), (5, 25816), (7, 18440), (8, 16135), (10, 12908), (14, 9220), (20, 6454), (28, 4610), (35, 3688), (40, 3227), (56, 2305), (70, 1844), (140, 922), (280, 461)]