81021450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1283}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 201567456

約数和(自身を除く): 120546006

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 421, 842, 1263, 1283, 2105, 2526, 2566, 3849, 4210, 6315, 6415, 7698, 10525, 12630, 12830, 19245, 21050, 31575, 32075, 38490, 63150, 64150, 96225, 192450, 540143, 1080286, 1620429, 2700715, 3240858, 5401430, 8102145, 13503575, 16204290, 27007150, 40510725, 81021450]

約数ペア:

[(1, 81021450), (2, 40510725), (3, 27007150), (5, 16204290), (6, 13503575), (10, 8102145), (15, 5401430), (25, 3240858), (30, 2700715), (50, 1620429), (75, 1080286), (150, 540143), (421, 192450), (842, 96225), (1263, 64150), (1283, 63150), (2105, 38490), (2526, 32075), (2566, 31575), (3849, 21050), (4210, 19245), (6315, 12830), (6415, 12630), (7698, 10525)]