400482960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1668679}}^1$

素因数の和:1668695

約数の個数: 40

約数和(自身を含む): 1241497920

約数和(自身を除く): 841014960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1668679, 3337358, 5006037, 6674716, 8343395, 10012074, 13349432, 16686790, 20024148, 25030185, 26698864, 33373580, 40048296, 50060370, 66747160, 80096592, 100120740, 133494320, 200241480, 400482960]

約数ペア:

[(1, 400482960), (2, 200241480), (3, 133494320), (4, 100120740), (5, 80096592), (6, 66747160), (8, 50060370), (10, 40048296), (12, 33373580), (15, 26698864), (16, 25030185), (20, 20024148), (24, 16686790), (30, 13349432), (40, 10012074), (48, 8343395), (60, 6674716), (80, 5006037), (120, 3337358), (240, 1668679)]