9121280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:539

約数の個数: 80

約数和(自身を含む): 25043040

約数和(自身を除く): 15921760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 509, 512, 560, 640, 896, 1018, 1120, 1280, 1792, 2036, 2240, 2545, 2560, 3563, 3584, 4072, 4480, 5090, 7126, 8144, 8960, 10180, 14252, 16288, 17815, 17920, 20360, 28504, 32576, 35630, 40720, 57008, 65152, 71260, 81440, 114016, 130304, 142520, 162880, 228032, 260608, 285040, 325760, 456064, 570080, 651520, 912128, 1140160, 1303040, 1824256, 2280320, 4560640, 9121280]

約数ペア:

[(1, 9121280), (2, 4560640), (4, 2280320), (5, 1824256), (7, 1303040), (8, 1140160), (10, 912128), (14, 651520), (16, 570080), (20, 456064), (28, 325760), (32, 285040), (35, 260608), (40, 228032), (56, 162880), (64, 142520), (70, 130304), (80, 114016), (112, 81440), (128, 71260), (140, 65152), (160, 57008), (224, 40720), (256, 35630), (280, 32576), (320, 28504), (448, 20360), (509, 17920), (512, 17815), (560, 16288), (640, 14252), (896, 10180), (1018, 8960), (1120, 8144), (1280, 7126), (1792, 5090), (2036, 4480), (2240, 4072), (2545, 3584), (2560, 3563)]