80410960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 221242536

約数和(自身を除く): 140831576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 281, 292, 365, 392, 490, 511, 560, 562, 584, 730, 784, 980, 1022, 1124, 1168, 1405, 1460, 1960, 1967, 2044, 2248, 2555, 2810, 2920, 3577, 3920, 3934, 4088, 4496, 5110, 5620, 5840, 7154, 7868, 8176, 9835, 10220, 11240, 13769, 14308, 15736, 17885, 19670, 20440, 20513, 22480, 27538, 28616, 31472, 35770, 39340, 40880, 41026, 55076, 57232, 68845, 71540, 78680, 82052, 102565, 110152, 137690, 143080, 143591, 157360, 164104, 205130, 220304, 275380, 286160, 287182, 328208, 410260, 550760, 574364, 717955, 820520, 1005137, 1101520, 1148728, 1435910, 1641040, 2010274, 2297456, 2871820, 4020548, 5025685, 5743640, 8041096, 10051370, 11487280, 16082192, 20102740, 40205480, 80410960]

約数ペア:

[(1, 80410960), (2, 40205480), (4, 20102740), (5, 16082192), (7, 11487280), (8, 10051370), (10, 8041096), (14, 5743640), (16, 5025685), (20, 4020548), (28, 2871820), (35, 2297456), (40, 2010274), (49, 1641040), (56, 1435910), (70, 1148728), (73, 1101520), (80, 1005137), (98, 820520), (112, 717955), (140, 574364), (146, 550760), (196, 410260), (245, 328208), (280, 287182), (281, 286160), (292, 275380), (365, 220304), (392, 205130), (490, 164104), (511, 157360), (560, 143591), (562, 143080), (584, 137690), (730, 110152), (784, 102565), (980, 82052), (1022, 78680), (1124, 71540), (1168, 68845), (1405, 57232), (1460, 55076), (1960, 41026), (1967, 40880), (2044, 39340), (2248, 35770), (2555, 31472), (2810, 28616), (2920, 27538), (3577, 22480), (3920, 20513), (3934, 20440), (4088, 19670), (4496, 17885), (5110, 15736), (5620, 14308), (5840, 13769), (7154, 11240), (7868, 10220), (8176, 9835)]