171731280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{859}}^1$

素因数の和:906

約数の個数: 240

約数和(自身を含む): 656475840

約数和(自身を除く): 484744560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 490, 510, 560, 588, 595, 680, 714, 735, 784, 816, 833, 840, 859, 952, 980, 1020, 1176, 1190, 1360, 1428, 1470, 1666, 1680, 1718, 1785, 1904, 1960, 2040, 2352, 2380, 2499, 2577, 2856, 2940, 3332, 3436, 3570, 3920, 4080, 4165, 4295, 4760, 4998, 5154, 5712, 5880, 6013, 6664, 6872, 7140, 8330, 8590, 9520, 9996, 10308, 11760, 12026, 12495, 12885, 13328, 13744, 14280, 14603, 16660, 17180, 18039, 19992, 20616, 24052, 24990, 25770, 28560, 29206, 30065, 33320, 34360, 36078, 39984, 41232, 42091, 43809, 48104, 49980, 51540, 58412, 60130, 66640, 68720, 72156, 73015, 84182, 87618, 90195, 96208, 99960, 102221, 103080, 116824, 120260, 126273, 144312, 146030, 168364, 175236, 180390, 199920, 204442, 206160, 210455, 219045, 233648, 240520, 252546, 288624, 292060, 306663, 336728, 350472, 360780, 408884, 420910, 438090, 481040, 505092, 511105, 584120, 613326, 631365, 673456, 700944, 715547, 721560, 817768, 841820, 876180, 1010184, 1022210, 1168240, 1226652, 1262730, 1431094, 1443120, 1533315, 1635536, 1683640, 1752360, 2020368, 2044420, 2146641, 2453304, 2525460, 2862188, 3066630, 3367280, 3504720, 3577735, 4088840, 4293282, 4906608, 5050920, 5724376, 6133260, 7155470, 8177680, 8586564, 10101840, 10733205, 11448752, 12266520, 14310940, 17173128, 21466410, 24533040, 28621880, 34346256, 42932820, 57243760, 85865640, 171731280]

約数ペア:

[(1, 171731280), (2, 85865640), (3, 57243760), (4, 42932820), (5, 34346256), (6, 28621880), (7, 24533040), (8, 21466410), (10, 17173128), (12, 14310940), (14, 12266520), (15, 11448752), (16, 10733205), (17, 10101840), (20, 8586564), (21, 8177680), (24, 7155470), (28, 6133260), (30, 5724376), (34, 5050920), (35, 4906608), (40, 4293282), (42, 4088840), (48, 3577735), (49, 3504720), (51, 3367280), (56, 3066630), (60, 2862188), (68, 2525460), (70, 2453304), (80, 2146641), (84, 2044420), (85, 2020368), (98, 1752360), (102, 1683640), (105, 1635536), (112, 1533315), (119, 1443120), (120, 1431094), (136, 1262730), (140, 1226652), (147, 1168240), (168, 1022210), (170, 1010184), (196, 876180), (204, 841820), (210, 817768), (238, 721560), (240, 715547), (245, 700944), (255, 673456), (272, 631365), (280, 613326), (294, 584120), (336, 511105), (340, 505092), (357, 481040), (392, 438090), (408, 420910), (420, 408884), (476, 360780), (490, 350472), (510, 336728), (560, 306663), (588, 292060), (595, 288624), (680, 252546), (714, 240520), (735, 233648), (784, 219045), (816, 210455), (833, 206160), (840, 204442), (859, 199920), (952, 180390), (980, 175236), (1020, 168364), (1176, 146030), (1190, 144312), (1360, 126273), (1428, 120260), (1470, 116824), (1666, 103080), (1680, 102221), (1718, 99960), (1785, 96208), (1904, 90195), (1960, 87618), (2040, 84182), (2352, 73015), (2380, 72156), (2499, 68720), (2577, 66640), (2856, 60130), (2940, 58412), (3332, 51540), (3436, 49980), (3570, 48104), (3920, 43809), (4080, 42091), (4165, 41232), (4295, 39984), (4760, 36078), (4998, 34360), (5154, 33320), (5712, 30065), (5880, 29206), (6013, 28560), (6664, 25770), (6872, 24990), (7140, 24052), (8330, 20616), (8590, 19992), (9520, 18039), (9996, 17180), (10308, 16660), (11760, 14603), (12026, 14280), (12495, 13744), (12885, 13328)]