80430560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{10259}}^1$

素因数の和:10288

約数の個数: 72

約数和(自身を含む): 221061960

約数和(自身を除く): 140631400

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, 10259, 20518, 41036, 51295, 71813, 82072, 102590, 143626, 164144, 205180, 287252, 328288, 359065, 410360, 502691, 574504, 718130, 820720, 1005382, 1149008, 1436260, 1641440, 2010764, 2298016, 2513455, 2872520, 4021528, 5026910, 5745040, 8043056, 10053820, 11490080, 16086112, 20107640, 40215280, 80430560]

約数ペア:

[(1, 80430560), (2, 40215280), (4, 20107640), (5, 16086112), (7, 11490080), (8, 10053820), (10, 8043056), (14, 5745040), (16, 5026910), (20, 4021528), (28, 2872520), (32, 2513455), (35, 2298016), (40, 2010764), (49, 1641440), (56, 1436260), (70, 1149008), (80, 1005382), (98, 820720), (112, 718130), (140, 574504), (160, 502691), (196, 410360), (224, 359065), (245, 328288), (280, 287252), (392, 205180), (490, 164144), (560, 143626), (784, 102590), (980, 82072), (1120, 71813), (1568, 51295), (1960, 41036), (3920, 20518), (7840, 10259)]