140860160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 392448000

約数和(自身を除く): 251587840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 199, 224, 256, 280, 316, 320, 395, 398, 448, 553, 560, 632, 640, 790, 796, 896, 995, 1106, 1120, 1264, 1280, 1393, 1580, 1592, 1792, 1990, 2212, 2240, 2528, 2765, 2786, 3160, 3184, 3980, 4424, 4480, 5056, 5530, 5572, 6320, 6368, 6965, 7960, 8848, 8960, 10112, 11060, 11144, 12640, 12736, 13930, 15721, 15920, 17696, 20224, 22120, 22288, 25280, 25472, 27860, 31442, 31840, 35392, 44240, 44576, 50560, 50944, 55720, 62884, 63680, 70784, 78605, 88480, 89152, 101120, 110047, 111440, 125768, 127360, 141568, 157210, 176960, 178304, 220094, 222880, 251536, 254720, 314420, 353920, 356608, 440188, 445760, 503072, 550235, 628840, 707840, 880376, 891520, 1006144, 1100470, 1257680, 1760752, 1783040, 2012288, 2200940, 2515360, 3521504, 4024576, 4401880, 5030720, 7043008, 8803760, 10061440, 14086016, 17607520, 20122880, 28172032, 35215040, 70430080, 140860160]

約数ペア:

[(1, 140860160), (2, 70430080), (4, 35215040), (5, 28172032), (7, 20122880), (8, 17607520), (10, 14086016), (14, 10061440), (16, 8803760), (20, 7043008), (28, 5030720), (32, 4401880), (35, 4024576), (40, 3521504), (56, 2515360), (64, 2200940), (70, 2012288), (79, 1783040), (80, 1760752), (112, 1257680), (128, 1100470), (140, 1006144), (158, 891520), (160, 880376), (199, 707840), (224, 628840), (256, 550235), (280, 503072), (316, 445760), (320, 440188), (395, 356608), (398, 353920), (448, 314420), (553, 254720), (560, 251536), (632, 222880), (640, 220094), (790, 178304), (796, 176960), (896, 157210), (995, 141568), (1106, 127360), (1120, 125768), (1264, 111440), (1280, 110047), (1393, 101120), (1580, 89152), (1592, 88480), (1792, 78605), (1990, 70784), (2212, 63680), (2240, 62884), (2528, 55720), (2765, 50944), (2786, 50560), (3160, 44576), (3184, 44240), (3980, 35392), (4424, 31840), (4480, 31442), (5056, 27860), (5530, 25472), (5572, 25280), (6320, 22288), (6368, 22120), (6965, 20224), (7960, 17696), (8848, 15920), (8960, 15721), (10112, 13930), (11060, 12736), (11144, 12640)]