74444720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2713}}^1$

素因数の和:2747

約数の個数: 80

約数和(自身を含む): 201921600

約数和(自身を除く): 127476880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2713, 2744, 3430, 3920, 5426, 5488, 6860, 10852, 13565, 13720, 18991, 21704, 27130, 27440, 37982, 43408, 54260, 75964, 94955, 108520, 132937, 151928, 189910, 217040, 265874, 303856, 379820, 531748, 664685, 759640, 930559, 1063496, 1329370, 1519280, 1861118, 2126992, 2658740, 3722236, 4652795, 5317480, 7444472, 9305590, 10634960, 14888944, 18611180, 37222360, 74444720]

約数ペア:

[(1, 74444720), (2, 37222360), (4, 18611180), (5, 14888944), (7, 10634960), (8, 9305590), (10, 7444472), (14, 5317480), (16, 4652795), (20, 3722236), (28, 2658740), (35, 2126992), (40, 1861118), (49, 1519280), (56, 1329370), (70, 1063496), (80, 930559), (98, 759640), (112, 664685), (140, 531748), (196, 379820), (245, 303856), (280, 265874), (343, 217040), (392, 189910), (490, 151928), (560, 132937), (686, 108520), (784, 94955), (980, 75964), (1372, 54260), (1715, 43408), (1960, 37982), (2713, 27440), (2744, 27130), (3430, 21704), (3920, 18991), (5426, 13720), (5488, 13565), (6860, 10852)]