261994320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:482

約数の個数: 240

約数和(自身を含む): 1014399360

約数和(自身を除く): 752405040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 227, 229, 240, 252, 280, 315, 336, 360, 420, 454, 458, 504, 560, 630, 681, 687, 720, 840, 908, 916, 1008, 1135, 1145, 1260, 1362, 1374, 1589, 1603, 1680, 1816, 1832, 2043, 2061, 2270, 2290, 2520, 2724, 2748, 3178, 3206, 3405, 3435, 3632, 3664, 4086, 4122, 4540, 4580, 4767, 4809, 5040, 5448, 5496, 6356, 6412, 6810, 6870, 7945, 8015, 8172, 8244, 9080, 9160, 9534, 9618, 10215, 10305, 10896, 10992, 12712, 12824, 13620, 13740, 14301, 14427, 15890, 16030, 16344, 16488, 18160, 18320, 19068, 19236, 20430, 20610, 23835, 24045, 25424, 25648, 27240, 27480, 28602, 28854, 31780, 32060, 32688, 32976, 38136, 38472, 40860, 41220, 47670, 48090, 51983, 54480, 54960, 57204, 57708, 63560, 64120, 71505, 72135, 76272, 76944, 81720, 82440, 95340, 96180, 103966, 114408, 115416, 127120, 128240, 143010, 144270, 155949, 163440, 164880, 190680, 192360, 207932, 228816, 230832, 259915, 286020, 288540, 311898, 363881, 381360, 384720, 415864, 467847, 519830, 572040, 577080, 623796, 727762, 779745, 831728, 935694, 1039660, 1091643, 1144080, 1154160, 1247592, 1455524, 1559490, 1819405, 1871388, 2079320, 2183286, 2339235, 2495184, 2911048, 3118980, 3274929, 3638810, 3742776, 4158640, 4366572, 4678470, 5458215, 5822096, 6237960, 6549858, 7277620, 7485552, 8733144, 9356940, 10916430, 12475920, 13099716, 14555240, 16374645, 17466288, 18713880, 21832860, 26199432, 29110480, 32749290, 37427760, 43665720, 52398864, 65498580, 87331440, 130997160, 261994320]

約数ペア:

[(1, 261994320), (2, 130997160), (3, 87331440), (4, 65498580), (5, 52398864), (6, 43665720), (7, 37427760), (8, 32749290), (9, 29110480), (10, 26199432), (12, 21832860), (14, 18713880), (15, 17466288), (16, 16374645), (18, 14555240), (20, 13099716), (21, 12475920), (24, 10916430), (28, 9356940), (30, 8733144), (35, 7485552), (36, 7277620), (40, 6549858), (42, 6237960), (45, 5822096), (48, 5458215), (56, 4678470), (60, 4366572), (63, 4158640), (70, 3742776), (72, 3638810), (80, 3274929), (84, 3118980), (90, 2911048), (105, 2495184), (112, 2339235), (120, 2183286), (126, 2079320), (140, 1871388), (144, 1819405), (168, 1559490), (180, 1455524), (210, 1247592), (227, 1154160), (229, 1144080), (240, 1091643), (252, 1039660), (280, 935694), (315, 831728), (336, 779745), (360, 727762), (420, 623796), (454, 577080), (458, 572040), (504, 519830), (560, 467847), (630, 415864), (681, 384720), (687, 381360), (720, 363881), (840, 311898), (908, 288540), (916, 286020), (1008, 259915), (1135, 230832), (1145, 228816), (1260, 207932), (1362, 192360), (1374, 190680), (1589, 164880), (1603, 163440), (1680, 155949), (1816, 144270), (1832, 143010), (2043, 128240), (2061, 127120), (2270, 115416), (2290, 114408), (2520, 103966), (2724, 96180), (2748, 95340), (3178, 82440), (3206, 81720), (3405, 76944), (3435, 76272), (3632, 72135), (3664, 71505), (4086, 64120), (4122, 63560), (4540, 57708), (4580, 57204), (4767, 54960), (4809, 54480), (5040, 51983), (5448, 48090), (5496, 47670), (6356, 41220), (6412, 40860), (6810, 38472), (6870, 38136), (7945, 32976), (8015, 32688), (8172, 32060), (8244, 31780), (9080, 28854), (9160, 28602), (9534, 27480), (9618, 27240), (10215, 25648), (10305, 25424), (10896, 24045), (10992, 23835), (12712, 20610), (12824, 20430), (13620, 19236), (13740, 19068), (14301, 18320), (14427, 18160), (15890, 16488), (16030, 16344)]