30997140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{516619}}^1$

素因数の和:516631

約数の個数: 24

約数和(自身を含む): 86792160

約数和(自身を除く): 55795020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 516619, 1033238, 1549857, 2066476, 2583095, 3099714, 5166190, 6199428, 7749285, 10332380, 15498570, 30997140]

約数ペア:

[(1, 30997140), (2, 15498570), (3, 10332380), (4, 7749285), (5, 6199428), (6, 5166190), (10, 3099714), (12, 2583095), (15, 2066476), (20, 1549857), (30, 1033238), (60, 516619)]