30016420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 74261880

約数和(自身を除く): 44245460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 281, 436, 490, 545, 562, 763, 980, 1090, 1124, 1405, 1526, 1967, 2180, 2810, 3052, 3815, 3934, 5341, 5620, 7630, 7868, 9835, 10682, 13769, 15260, 19670, 21364, 26705, 27538, 30629, 39340, 53410, 55076, 61258, 68845, 106820, 122516, 137690, 153145, 214403, 275380, 306290, 428806, 612580, 857612, 1072015, 1500821, 2144030, 3001642, 4288060, 6003284, 7504105, 15008210, 30016420]

約数ペア:

[(1, 30016420), (2, 15008210), (4, 7504105), (5, 6003284), (7, 4288060), (10, 3001642), (14, 2144030), (20, 1500821), (28, 1072015), (35, 857612), (49, 612580), (70, 428806), (98, 306290), (109, 275380), (140, 214403), (196, 153145), (218, 137690), (245, 122516), (281, 106820), (436, 68845), (490, 61258), (545, 55076), (562, 53410), (763, 39340), (980, 30629), (1090, 27538), (1124, 26705), (1405, 21364), (1526, 19670), (1967, 15260), (2180, 13769), (2810, 10682), (3052, 9835), (3815, 7868), (3934, 7630), (5341, 5620)]