1259997480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:309

約数の個数: 288

約数和(自身を含む): 4869296640

約数和(自身を除く): 3609299160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 127, 140, 155, 168, 180, 186, 210, 217, 248, 252, 254, 279, 280, 310, 315, 360, 372, 381, 420, 434, 465, 504, 508, 558, 620, 630, 635, 651, 744, 762, 840, 868, 889, 930, 1016, 1085, 1116, 1143, 1240, 1260, 1270, 1302, 1395, 1524, 1736, 1778, 1860, 1905, 1953, 2170, 2232, 2286, 2520, 2540, 2604, 2667, 2790, 3048, 3255, 3556, 3720, 3810, 3906, 3937, 4340, 4445, 4572, 5080, 5208, 5334, 5580, 5715, 6510, 7112, 7620, 7812, 7874, 8001, 8680, 8890, 9144, 9765, 10668, 11160, 11430, 11811, 13020, 13335, 15240, 15624, 15748, 16002, 16129, 17780, 19530, 19685, 21336, 22860, 23622, 26040, 26670, 27559, 31496, 32004, 32258, 35433, 35560, 39060, 39370, 40005, 45720, 47244, 48387, 53340, 55118, 59055, 64008, 64516, 70866, 78120, 78740, 80010, 80645, 82677, 94488, 96774, 106680, 110236, 112903, 118110, 129032, 137795, 141732, 145161, 157480, 160020, 161290, 165354, 177165, 193548, 220472, 225806, 236220, 241935, 248031, 275590, 283464, 290322, 320040, 322580, 330708, 338709, 354330, 387096, 413385, 451612, 472440, 483870, 496062, 499999, 551180, 564515, 580644, 645160, 661416, 677418, 708660, 725805, 826770, 903224, 967740, 992124, 999998, 1016127, 1102360, 1129030, 1161288, 1240155, 1354836, 1417320, 1451610, 1499997, 1653540, 1693545, 1935480, 1984248, 1999996, 2032254, 2258060, 2480310, 2499995, 2709672, 2903220, 2999994, 3307080, 3387090, 3499993, 3999992, 4064508, 4499991, 4516120, 4960620, 4999990, 5080635, 5806440, 5999988, 6774180, 6999986, 7499985, 8129016, 8999982, 9921240, 9999980, 10161270, 10499979, 11999976, 13548360, 13999972, 14999970, 17499965, 17999964, 19999960, 20322540, 20999958, 22499955, 27999944, 29999940, 31499937, 34999930, 35999928, 40645080, 41999916, 44999910, 52499895, 59999880, 62999874, 69999860, 83999832, 89999820, 104999790, 125999748, 139999720, 157499685, 179999640, 209999580, 251999496, 314999370, 419999160, 629998740, 1259997480]

約数ペア:

[(1, 1259997480), (2, 629998740), (3, 419999160), (4, 314999370), (5, 251999496), (6, 209999580), (7, 179999640), (8, 157499685), (9, 139999720), (10, 125999748), (12, 104999790), (14, 89999820), (15, 83999832), (18, 69999860), (20, 62999874), (21, 59999880), (24, 52499895), (28, 44999910), (30, 41999916), (31, 40645080), (35, 35999928), (36, 34999930), (40, 31499937), (42, 29999940), (45, 27999944), (56, 22499955), (60, 20999958), (62, 20322540), (63, 19999960), (70, 17999964), (72, 17499965), (84, 14999970), (90, 13999972), (93, 13548360), (105, 11999976), (120, 10499979), (124, 10161270), (126, 9999980), (127, 9921240), (140, 8999982), (155, 8129016), (168, 7499985), (180, 6999986), (186, 6774180), (210, 5999988), (217, 5806440), (248, 5080635), (252, 4999990), (254, 4960620), (279, 4516120), (280, 4499991), (310, 4064508), (315, 3999992), (360, 3499993), (372, 3387090), (381, 3307080), (420, 2999994), (434, 2903220), (465, 2709672), (504, 2499995), (508, 2480310), (558, 2258060), (620, 2032254), (630, 1999996), (635, 1984248), (651, 1935480), (744, 1693545), (762, 1653540), (840, 1499997), (868, 1451610), (889, 1417320), (930, 1354836), (1016, 1240155), (1085, 1161288), (1116, 1129030), (1143, 1102360), (1240, 1016127), (1260, 999998), (1270, 992124), (1302, 967740), (1395, 903224), (1524, 826770), (1736, 725805), (1778, 708660), (1860, 677418), (1905, 661416), (1953, 645160), (2170, 580644), (2232, 564515), (2286, 551180), (2520, 499999), (2540, 496062), (2604, 483870), (2667, 472440), (2790, 451612), (3048, 413385), (3255, 387096), (3556, 354330), (3720, 338709), (3810, 330708), (3906, 322580), (3937, 320040), (4340, 290322), (4445, 283464), (4572, 275590), (5080, 248031), (5208, 241935), (5334, 236220), (5580, 225806), (5715, 220472), (6510, 193548), (7112, 177165), (7620, 165354), (7812, 161290), (7874, 160020), (8001, 157480), (8680, 145161), (8890, 141732), (9144, 137795), (9765, 129032), (10668, 118110), (11160, 112903), (11430, 110236), (11811, 106680), (13020, 96774), (13335, 94488), (15240, 82677), (15624, 80645), (15748, 80010), (16002, 78740), (16129, 78120), (17780, 70866), (19530, 64516), (19685, 64008), (21336, 59055), (22860, 55118), (23622, 53340), (26040, 48387), (26670, 47244), (27559, 45720), (31496, 40005), (32004, 39370), (32258, 39060), (35433, 35560)]