280866040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 192

約数和(自身を含む): 807831360

約数和(自身を除く): 526965320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 73, 91, 98, 104, 130, 140, 146, 151, 182, 196, 245, 260, 280, 292, 302, 364, 365, 392, 455, 490, 511, 520, 584, 604, 637, 728, 730, 755, 910, 949, 980, 1022, 1057, 1208, 1274, 1460, 1510, 1820, 1898, 1960, 1963, 2044, 2114, 2548, 2555, 2920, 3020, 3185, 3577, 3640, 3796, 3926, 4088, 4228, 4745, 5096, 5110, 5285, 6040, 6370, 6643, 7154, 7399, 7592, 7852, 8456, 9490, 9815, 10220, 10570, 11023, 12740, 13286, 13741, 14308, 14798, 15704, 17885, 18980, 19630, 20440, 21140, 22046, 25480, 26572, 27482, 28616, 29596, 33215, 35770, 36995, 37960, 39260, 42280, 44092, 46501, 53144, 54964, 55115, 59192, 66430, 68705, 71540, 73990, 77161, 78520, 88184, 93002, 96187, 109928, 110230, 132860, 137410, 143080, 143299, 147980, 154322, 186004, 192374, 220460, 232505, 265720, 274820, 286598, 295960, 308644, 372008, 384748, 385805, 440920, 465010, 480935, 540127, 549640, 573196, 617288, 716495, 769496, 771610, 930020, 961870, 1003093, 1080254, 1146392, 1432990, 1543220, 1860040, 1923740, 2006186, 2160508, 2700635, 2865980, 3086440, 3847480, 4012372, 4321016, 5015465, 5401270, 5731960, 7021651, 8024744, 10030930, 10802540, 14043302, 20061860, 21605080, 28086604, 35108255, 40123720, 56173208, 70216510, 140433020, 280866040]

約数ペア:

[(1, 280866040), (2, 140433020), (4, 70216510), (5, 56173208), (7, 40123720), (8, 35108255), (10, 28086604), (13, 21605080), (14, 20061860), (20, 14043302), (26, 10802540), (28, 10030930), (35, 8024744), (40, 7021651), (49, 5731960), (52, 5401270), (56, 5015465), (65, 4321016), (70, 4012372), (73, 3847480), (91, 3086440), (98, 2865980), (104, 2700635), (130, 2160508), (140, 2006186), (146, 1923740), (151, 1860040), (182, 1543220), (196, 1432990), (245, 1146392), (260, 1080254), (280, 1003093), (292, 961870), (302, 930020), (364, 771610), (365, 769496), (392, 716495), (455, 617288), (490, 573196), (511, 549640), (520, 540127), (584, 480935), (604, 465010), (637, 440920), (728, 385805), (730, 384748), (755, 372008), (910, 308644), (949, 295960), (980, 286598), (1022, 274820), (1057, 265720), (1208, 232505), (1274, 220460), (1460, 192374), (1510, 186004), (1820, 154322), (1898, 147980), (1960, 143299), (1963, 143080), (2044, 137410), (2114, 132860), (2548, 110230), (2555, 109928), (2920, 96187), (3020, 93002), (3185, 88184), (3577, 78520), (3640, 77161), (3796, 73990), (3926, 71540), (4088, 68705), (4228, 66430), (4745, 59192), (5096, 55115), (5110, 54964), (5285, 53144), (6040, 46501), (6370, 44092), (6643, 42280), (7154, 39260), (7399, 37960), (7592, 36995), (7852, 35770), (8456, 33215), (9490, 29596), (9815, 28616), (10220, 27482), (10570, 26572), (11023, 25480), (12740, 22046), (13286, 21140), (13741, 20440), (14308, 19630), (14798, 18980), (15704, 17885)]