68788720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:903

約数の個数: 160

約数和(自身を含む): 214986240

約数和(自身を除く): 146197520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 859, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1718, 1820, 2002, 2288, 2860, 3080, 3436, 3640, 4004, 4295, 5005, 5720, 6013, 6160, 6872, 7280, 8008, 8590, 9449, 10010, 11167, 11440, 12026, 13744, 16016, 17180, 18898, 20020, 22334, 24052, 30065, 34360, 37796, 40040, 44668, 47245, 48104, 55835, 60130, 66143, 68720, 75592, 78169, 80080, 89336, 94490, 96208, 111670, 120260, 122837, 132286, 151184, 156338, 178672, 188980, 223340, 240520, 245674, 264572, 312676, 330715, 377960, 390845, 446680, 481040, 491348, 529144, 614185, 625352, 661430, 755920, 781690, 859859, 893360, 982696, 1058288, 1228370, 1250704, 1322860, 1563380, 1719718, 1965392, 2456740, 2645720, 3126760, 3439436, 4299295, 4913480, 5291440, 6253520, 6878872, 8598590, 9826960, 13757744, 17197180, 34394360, 68788720]

約数ペア:

[(1, 68788720), (2, 34394360), (4, 17197180), (5, 13757744), (7, 9826960), (8, 8598590), (10, 6878872), (11, 6253520), (13, 5291440), (14, 4913480), (16, 4299295), (20, 3439436), (22, 3126760), (26, 2645720), (28, 2456740), (35, 1965392), (40, 1719718), (44, 1563380), (52, 1322860), (55, 1250704), (56, 1228370), (65, 1058288), (70, 982696), (77, 893360), (80, 859859), (88, 781690), (91, 755920), (104, 661430), (110, 625352), (112, 614185), (130, 529144), (140, 491348), (143, 481040), (154, 446680), (176, 390845), (182, 377960), (208, 330715), (220, 312676), (260, 264572), (280, 245674), (286, 240520), (308, 223340), (364, 188980), (385, 178672), (440, 156338), (455, 151184), (520, 132286), (560, 122837), (572, 120260), (616, 111670), (715, 96208), (728, 94490), (770, 89336), (859, 80080), (880, 78169), (910, 75592), (1001, 68720), (1040, 66143), (1144, 60130), (1232, 55835), (1430, 48104), (1456, 47245), (1540, 44668), (1718, 40040), (1820, 37796), (2002, 34360), (2288, 30065), (2860, 24052), (3080, 22334), (3436, 20020), (3640, 18898), (4004, 17180), (4295, 16016), (5005, 13744), (5720, 12026), (6013, 11440), (6160, 11167), (6872, 10010), (7280, 9449), (8008, 8590)]