9990660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{619}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 28123200

約数和(自身を除く): 18132540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 619, 807, 1076, 1238, 1345, 1614, 1857, 2476, 2690, 3095, 3228, 3714, 4035, 5380, 6190, 7428, 8070, 9285, 12380, 16140, 18570, 37140, 166511, 333022, 499533, 666044, 832555, 999066, 1665110, 1998132, 2497665, 3330220, 4995330, 9990660]

約数ペア:

[(1, 9990660), (2, 4995330), (3, 3330220), (4, 2497665), (5, 1998132), (6, 1665110), (10, 999066), (12, 832555), (15, 666044), (20, 499533), (30, 333022), (60, 166511), (269, 37140), (538, 18570), (619, 16140), (807, 12380), (1076, 9285), (1238, 8070), (1345, 7428), (1614, 6190), (1857, 5380), (2476, 4035), (2690, 3714), (3095, 3228)]