208902960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:436

約数の個数: 240

約数和(自身を含む): 809739840

約数和(自身を除く): 600836880

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, 181, 210, 229, 240, 252, 280, 315, 336, 360, 362, 420, 458, 504, 543, 560, 630, 687, 720, 724, 840, 905, 916, 1008, 1086, 1145, 1260, 1267, 1374, 1448, 1603, 1629, 1680, 1810, 1832, 2061, 2172, 2290, 2520, 2534, 2715, 2748, 2896, 3206, 3258, 3435, 3620, 3664, 3801, 4122, 4344, 4580, 4809, 5040, 5068, 5430, 5496, 6335, 6412, 6516, 6870, 7240, 7602, 8015, 8145, 8244, 8688, 9160, 9618, 10136, 10305, 10860, 10992, 11403, 12670, 12824, 13032, 13740, 14427, 14480, 15204, 16030, 16290, 16488, 18320, 19005, 19236, 20272, 20610, 21720, 22806, 24045, 25340, 25648, 26064, 27480, 28854, 30408, 32060, 32580, 32976, 38010, 38472, 41220, 41449, 43440, 45612, 48090, 50680, 54960, 57015, 57708, 60816, 64120, 65160, 72135, 76020, 76944, 82440, 82898, 91224, 96180, 101360, 114030, 115416, 124347, 128240, 130320, 144270, 152040, 164880, 165796, 182448, 192360, 207245, 228060, 230832, 248694, 288540, 290143, 304080, 331592, 373041, 384720, 414490, 456120, 497388, 577080, 580286, 621735, 663184, 746082, 828980, 870429, 912240, 994776, 1154160, 1160572, 1243470, 1450715, 1492164, 1657960, 1740858, 1865205, 1989552, 2321144, 2486940, 2611287, 2901430, 2984328, 3315920, 3481716, 3730410, 4352145, 4642288, 4973880, 5222574, 5802860, 5968656, 6963432, 7460820, 8704290, 9947760, 10445148, 11605720, 13056435, 13926864, 14921640, 17408580, 20890296, 23211440, 26112870, 29843280, 34817160, 41780592, 52225740, 69634320, 104451480, 208902960]

約数ペア:

[(1, 208902960), (2, 104451480), (3, 69634320), (4, 52225740), (5, 41780592), (6, 34817160), (7, 29843280), (8, 26112870), (9, 23211440), (10, 20890296), (12, 17408580), (14, 14921640), (15, 13926864), (16, 13056435), (18, 11605720), (20, 10445148), (21, 9947760), (24, 8704290), (28, 7460820), (30, 6963432), (35, 5968656), (36, 5802860), (40, 5222574), (42, 4973880), (45, 4642288), (48, 4352145), (56, 3730410), (60, 3481716), (63, 3315920), (70, 2984328), (72, 2901430), (80, 2611287), (84, 2486940), (90, 2321144), (105, 1989552), (112, 1865205), (120, 1740858), (126, 1657960), (140, 1492164), (144, 1450715), (168, 1243470), (180, 1160572), (181, 1154160), (210, 994776), (229, 912240), (240, 870429), (252, 828980), (280, 746082), (315, 663184), (336, 621735), (360, 580286), (362, 577080), (420, 497388), (458, 456120), (504, 414490), (543, 384720), (560, 373041), (630, 331592), (687, 304080), (720, 290143), (724, 288540), (840, 248694), (905, 230832), (916, 228060), (1008, 207245), (1086, 192360), (1145, 182448), (1260, 165796), (1267, 164880), (1374, 152040), (1448, 144270), (1603, 130320), (1629, 128240), (1680, 124347), (1810, 115416), (1832, 114030), (2061, 101360), (2172, 96180), (2290, 91224), (2520, 82898), (2534, 82440), (2715, 76944), (2748, 76020), (2896, 72135), (3206, 65160), (3258, 64120), (3435, 60816), (3620, 57708), (3664, 57015), (3801, 54960), (4122, 50680), (4344, 48090), (4580, 45612), (4809, 43440), (5040, 41449), (5068, 41220), (5430, 38472), (5496, 38010), (6335, 32976), (6412, 32580), (6516, 32060), (6870, 30408), (7240, 28854), (7602, 27480), (8015, 26064), (8145, 25648), (8244, 25340), (8688, 24045), (9160, 22806), (9618, 21720), (10136, 20610), (10305, 20272), (10860, 19236), (10992, 19005), (11403, 18320), (12670, 16488), (12824, 16290), (13032, 16030), (13740, 15204), (14427, 14480)]