67664120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 158004000

約数和(自身を除く): 90339880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 131, 148, 185, 262, 296, 349, 370, 524, 655, 698, 740, 1048, 1310, 1396, 1480, 1745, 2620, 2792, 3490, 4847, 5240, 6980, 9694, 12913, 13960, 19388, 24235, 25826, 38776, 45719, 48470, 51652, 64565, 91438, 96940, 103304, 129130, 182876, 193880, 228595, 258260, 365752, 457190, 516520, 914380, 1691603, 1828760, 3383206, 6766412, 8458015, 13532824, 16916030, 33832060, 67664120]

約数ペア:

[(1, 67664120), (2, 33832060), (4, 16916030), (5, 13532824), (8, 8458015), (10, 6766412), (20, 3383206), (37, 1828760), (40, 1691603), (74, 914380), (131, 516520), (148, 457190), (185, 365752), (262, 258260), (296, 228595), (349, 193880), (370, 182876), (524, 129130), (655, 103304), (698, 96940), (740, 91438), (1048, 64565), (1310, 51652), (1396, 48470), (1480, 45719), (1745, 38776), (2620, 25826), (2792, 24235), (3490, 19388), (4847, 13960), (5240, 12913), (6980, 9694)]