30885280

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 73551240

約数和(自身を除く): 42665960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 1409, 2192, 2740, 2818, 4384, 5480, 5636, 7045, 10960, 11272, 14090, 21920, 22544, 28180, 45088, 56360, 112720, 193033, 225440, 386066, 772132, 965165, 1544264, 1930330, 3088528, 3860660, 6177056, 7721320, 15442640, 30885280]

約数ペア:

[(1, 30885280), (2, 15442640), (4, 7721320), (5, 6177056), (8, 3860660), (10, 3088528), (16, 1930330), (20, 1544264), (32, 965165), (40, 772132), (80, 386066), (137, 225440), (160, 193033), (274, 112720), (548, 56360), (685, 45088), (1096, 28180), (1370, 22544), (1409, 21920), (2192, 14090), (2740, 11272), (2818, 10960), (4384, 7045), (5480, 5636)]