30281480

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1223}}^1$

素因数の和:1853

約数の個数: 32

約数和(自身を含む): 68299200

約数和(自身を除く): 38017720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1223, 1238, 2446, 2476, 3095, 4892, 4952, 6115, 6190, 9784, 12230, 12380, 24460, 24760, 48920, 757037, 1514074, 3028148, 3785185, 6056296, 7570370, 15140740, 30281480]

約数ペア:

[(1, 30281480), (2, 15140740), (4, 7570370), (5, 6056296), (8, 3785185), (10, 3028148), (20, 1514074), (40, 757037), (619, 48920), (1223, 24760), (1238, 24460), (2446, 12380), (2476, 12230), (3095, 9784), (4892, 6190), (4952, 6115)]