30695560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15661}}^1$

素因数の和:15686

約数の個数: 48

約数和(自身を含む): 80346060

約数和(自身を除く): 49650500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15661, 31322, 62644, 78305, 109627, 125288, 156610, 219254, 313220, 438508, 548135, 626440, 767389, 877016, 1096270, 1534778, 2192540, 3069556, 3836945, 4385080, 6139112, 7673890, 15347780, 30695560]

約数ペア:

[(1, 30695560), (2, 15347780), (4, 7673890), (5, 6139112), (7, 4385080), (8, 3836945), (10, 3069556), (14, 2192540), (20, 1534778), (28, 1096270), (35, 877016), (40, 767389), (49, 626440), (56, 548135), (70, 438508), (98, 313220), (140, 219254), (196, 156610), (245, 125288), (280, 109627), (392, 78305), (490, 62644), (980, 31322), (1960, 15661)]