71097040

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2591}}^1$

素因数の和:2625

約数の個数: 80

約数和(自身を含む): 192844800

約数和(自身を除く): 121747760

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, 2591, 2744, 3430, 3920, 5182, 5488, 6860, 10364, 12955, 13720, 18137, 20728, 25910, 27440, 36274, 41456, 51820, 72548, 90685, 103640, 126959, 145096, 181370, 207280, 253918, 290192, 362740, 507836, 634795, 725480, 888713, 1015672, 1269590, 1450960, 1777426, 2031344, 2539180, 3554852, 4443565, 5078360, 7109704, 8887130, 10156720, 14219408, 17774260, 35548520, 71097040]

約数ペア:

[(1, 71097040), (2, 35548520), (4, 17774260), (5, 14219408), (7, 10156720), (8, 8887130), (10, 7109704), (14, 5078360), (16, 4443565), (20, 3554852), (28, 2539180), (35, 2031344), (40, 1777426), (49, 1450960), (56, 1269590), (70, 1015672), (80, 888713), (98, 725480), (112, 634795), (140, 507836), (196, 362740), (245, 290192), (280, 253918), (343, 207280), (392, 181370), (490, 145096), (560, 126959), (686, 103640), (784, 90685), (980, 72548), (1372, 51820), (1715, 41456), (1960, 36274), (2591, 27440), (2744, 25910), (3430, 20728), (3920, 18137), (5182, 13720), (5488, 12955), (6860, 10364)]