9718980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{161983}}^1$

素因数の和:161995

約数の個数: 24

約数和(自身を含む): 27213312

約数和(自身を除く): 17494332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 161983, 323966, 485949, 647932, 809915, 971898, 1619830, 1943796, 2429745, 3239660, 4859490, 9718980]

約数ペア:

[(1, 9718980), (2, 4859490), (3, 3239660), (4, 2429745), (5, 1943796), (6, 1619830), (10, 971898), (12, 809915), (15, 647932), (20, 485949), (30, 323966), (60, 161983)]