64970080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8287}}^1$

素因数の和:8316

約数の個数: 72

約数和(自身を含む): 178573248

約数和(自身を除く): 113603168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8287, 16574, 33148, 41435, 58009, 66296, 82870, 116018, 132592, 165740, 232036, 265184, 290045, 331480, 406063, 464072, 580090, 662960, 812126, 928144, 1160180, 1325920, 1624252, 1856288, 2030315, 2320360, 3248504, 4060630, 4640720, 6497008, 8121260, 9281440, 12994016, 16242520, 32485040, 64970080]

約数ペア:

[(1, 64970080), (2, 32485040), (4, 16242520), (5, 12994016), (7, 9281440), (8, 8121260), (10, 6497008), (14, 4640720), (16, 4060630), (20, 3248504), (28, 2320360), (32, 2030315), (35, 1856288), (40, 1624252), (49, 1325920), (56, 1160180), (70, 928144), (80, 812126), (98, 662960), (112, 580090), (140, 464072), (160, 406063), (196, 331480), (224, 290045), (245, 265184), (280, 232036), (392, 165740), (490, 132592), (560, 116018), (784, 82870), (980, 66296), (1120, 58009), (1568, 41435), (1960, 33148), (3920, 16574), (7840, 8287)]