71449960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 172368000

約数和(自身を除く): 100918040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 2099, 3404, 4198, 4255, 6808, 8396, 8510, 10495, 16792, 17020, 20990, 34040, 41980, 48277, 77663, 83960, 96554, 155326, 193108, 241385, 310652, 386216, 388315, 482770, 621304, 776630, 965540, 1553260, 1786249, 1931080, 3106520, 3572498, 7144996, 8931245, 14289992, 17862490, 35724980, 71449960]

約数ペア:

[(1, 71449960), (2, 35724980), (4, 17862490), (5, 14289992), (8, 8931245), (10, 7144996), (20, 3572498), (23, 3106520), (37, 1931080), (40, 1786249), (46, 1553260), (74, 965540), (92, 776630), (115, 621304), (148, 482770), (184, 388315), (185, 386216), (230, 310652), (296, 241385), (370, 193108), (460, 155326), (740, 96554), (851, 83960), (920, 77663), (1480, 48277), (1702, 41980), (2099, 34040), (3404, 20990), (4198, 17020), (4255, 16792), (6808, 10495), (8396, 8510)]