256117680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1303}}^1$

素因数の和:1345

約数の個数: 320

約数和(自身を含む): 1086597120

約数和(自身を除く): 830479440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 180, 182, 189, 195, 208, 210, 216, 234, 240, 252, 260, 270, 273, 280, 312, 315, 336, 351, 360, 364, 378, 390, 420, 432, 455, 468, 504, 520, 540, 546, 560, 585, 624, 630, 702, 720, 728, 756, 780, 819, 840, 910, 936, 945, 1008, 1040, 1080, 1092, 1170, 1260, 1303, 1365, 1404, 1456, 1512, 1560, 1638, 1680, 1755, 1820, 1872, 1890, 2160, 2184, 2340, 2457, 2520, 2606, 2730, 2808, 3024, 3120, 3276, 3510, 3640, 3780, 3909, 4095, 4368, 4680, 4914, 5040, 5212, 5460, 5616, 6515, 6552, 7020, 7280, 7560, 7818, 8190, 9121, 9360, 9828, 10424, 10920, 11727, 12285, 13030, 13104, 14040, 15120, 15636, 16380, 16939, 18242, 19545, 19656, 20848, 21840, 23454, 24570, 26060, 27363, 28080, 31272, 32760, 33878, 35181, 36484, 39090, 39312, 45605, 46908, 49140, 50817, 52120, 54726, 58635, 62544, 65520, 67756, 70362, 72968, 78180, 82089, 84695, 91210, 93816, 98280, 101634, 104240, 109452, 117270, 118573, 135512, 136815, 140724, 145936, 152451, 156360, 164178, 169390, 175905, 182420, 187632, 196560, 203268, 218904, 234540, 237146, 246267, 254085, 271024, 273630, 281448, 304902, 312720, 328356, 338780, 351810, 355719, 364840, 406536, 410445, 437808, 457353, 469080, 474292, 492534, 508170, 547260, 562896, 592865, 609804, 656712, 677560, 703620, 711438, 729680, 762255, 813072, 820890, 914706, 938160, 948584, 985068, 1016340, 1067157, 1094520, 1185730, 1219608, 1231335, 1313424, 1355120, 1407240, 1422876, 1524510, 1641780, 1778595, 1829412, 1897168, 1970136, 2032680, 2134314, 2189040, 2286765, 2371460, 2439216, 2462670, 2814480, 2845752, 3049020, 3201471, 3283560, 3557190, 3658824, 3940272, 4065360, 4268628, 4573530, 4742920, 4925340, 5335785, 5691504, 6098040, 6402942, 6567120, 7114380, 7317648, 8537256, 9147060, 9485840, 9850680, 10671570, 12196080, 12805884, 14228760, 16007355, 17074512, 18294120, 19701360, 21343140, 25611768, 28457520, 32014710, 36588240, 42686280, 51223536, 64029420, 85372560, 128058840, 256117680]

約数ペア:

[(1, 256117680), (2, 128058840), (3, 85372560), (4, 64029420), (5, 51223536), (6, 42686280), (7, 36588240), (8, 32014710), (9, 28457520), (10, 25611768), (12, 21343140), (13, 19701360), (14, 18294120), (15, 17074512), (16, 16007355), (18, 14228760), (20, 12805884), (21, 12196080), (24, 10671570), (26, 9850680), (27, 9485840), (28, 9147060), (30, 8537256), (35, 7317648), (36, 7114380), (39, 6567120), (40, 6402942), (42, 6098040), (45, 5691504), (48, 5335785), (52, 4925340), (54, 4742920), (56, 4573530), (60, 4268628), (63, 4065360), (65, 3940272), (70, 3658824), (72, 3557190), (78, 3283560), (80, 3201471), (84, 3049020), (90, 2845752), (91, 2814480), (104, 2462670), (105, 2439216), (108, 2371460), (112, 2286765), (117, 2189040), (120, 2134314), (126, 2032680), (130, 1970136), (135, 1897168), (140, 1829412), (144, 1778595), (156, 1641780), (168, 1524510), (180, 1422876), (182, 1407240), (189, 1355120), (195, 1313424), (208, 1231335), (210, 1219608), (216, 1185730), (234, 1094520), (240, 1067157), (252, 1016340), (260, 985068), (270, 948584), (273, 938160), (280, 914706), (312, 820890), (315, 813072), (336, 762255), (351, 729680), (360, 711438), (364, 703620), (378, 677560), (390, 656712), (420, 609804), (432, 592865), (455, 562896), (468, 547260), (504, 508170), (520, 492534), (540, 474292), (546, 469080), (560, 457353), (585, 437808), (624, 410445), (630, 406536), (702, 364840), (720, 355719), (728, 351810), (756, 338780), (780, 328356), (819, 312720), (840, 304902), (910, 281448), (936, 273630), (945, 271024), (1008, 254085), (1040, 246267), (1080, 237146), (1092, 234540), (1170, 218904), (1260, 203268), (1303, 196560), (1365, 187632), (1404, 182420), (1456, 175905), (1512, 169390), (1560, 164178), (1638, 156360), (1680, 152451), (1755, 145936), (1820, 140724), (1872, 136815), (1890, 135512), (2160, 118573), (2184, 117270), (2340, 109452), (2457, 104240), (2520, 101634), (2606, 98280), (2730, 93816), (2808, 91210), (3024, 84695), (3120, 82089), (3276, 78180), (3510, 72968), (3640, 70362), (3780, 67756), (3909, 65520), (4095, 62544), (4368, 58635), (4680, 54726), (4914, 52120), (5040, 50817), (5212, 49140), (5460, 46908), (5616, 45605), (6515, 39312), (6552, 39090), (7020, 36484), (7280, 35181), (7560, 33878), (7818, 32760), (8190, 31272), (9121, 28080), (9360, 27363), (9828, 26060), (10424, 24570), (10920, 23454), (11727, 21840), (12285, 20848), (13030, 19656), (13104, 19545), (14040, 18242), (15120, 16939), (15636, 16380)]