309667680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 288

約数和(自身を含む): 1247920128

約数和(自身を除く): 938252448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 991, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 1982, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2973, 2976, 3255, 3360, 3472, 3720, 3906, 3964, 4340, 4464, 4955, 4960, 5040, 5208, 5580, 5946, 6510, 6937, 6944, 7440, 7812, 7928, 8680, 8919, 8928, 9765, 9910, 10080, 10416, 11160, 11892, 13020, 13874, 14865, 14880, 15624, 15856, 17360, 17838, 19530, 19820, 20811, 20832, 22320, 23784, 26040, 27748, 29730, 30721, 31248, 31712, 34685, 34720, 35676, 39060, 39640, 41622, 44595, 44640, 47568, 52080, 55496, 59460, 61442, 62433, 62496, 69370, 71352, 78120, 79280, 83244, 89190, 92163, 95136, 104055, 104160, 110992, 118920, 122884, 124866, 138740, 142704, 153605, 156240, 158560, 166488, 178380, 184326, 208110, 215047, 221984, 237840, 245768, 249732, 276489, 277480, 285408, 307210, 312165, 312480, 332976, 356760, 368652, 416220, 430094, 460815, 475680, 491536, 499464, 552978, 554960, 614420, 624330, 645141, 665952, 713520, 737304, 832440, 860188, 921630, 983072, 998928, 1075235, 1105956, 1109920, 1228840, 1248660, 1290282, 1382445, 1427040, 1474608, 1664880, 1720376, 1843260, 1935423, 1997856, 2150470, 2211912, 2457680, 2497320, 2580564, 2764890, 2949216, 3225705, 3329760, 3440752, 3686520, 3870846, 4300940, 4423824, 4915360, 4994640, 5161128, 5529780, 6451410, 6881504, 7373040, 7741692, 8601880, 8847648, 9677115, 9989280, 10322256, 11059560, 12902820, 14746080, 15483384, 17203760, 19354230, 20644512, 22119120, 25805640, 30966768, 34407520, 38708460, 44238240, 51611280, 61933536, 77416920, 103222560, 154833840, 309667680]

約数ペア:

[(1, 309667680), (2, 154833840), (3, 103222560), (4, 77416920), (5, 61933536), (6, 51611280), (7, 44238240), (8, 38708460), (9, 34407520), (10, 30966768), (12, 25805640), (14, 22119120), (15, 20644512), (16, 19354230), (18, 17203760), (20, 15483384), (21, 14746080), (24, 12902820), (28, 11059560), (30, 10322256), (31, 9989280), (32, 9677115), (35, 8847648), (36, 8601880), (40, 7741692), (42, 7373040), (45, 6881504), (48, 6451410), (56, 5529780), (60, 5161128), (62, 4994640), (63, 4915360), (70, 4423824), (72, 4300940), (80, 3870846), (84, 3686520), (90, 3440752), (93, 3329760), (96, 3225705), (105, 2949216), (112, 2764890), (120, 2580564), (124, 2497320), (126, 2457680), (140, 2211912), (144, 2150470), (155, 1997856), (160, 1935423), (168, 1843260), (180, 1720376), (186, 1664880), (210, 1474608), (217, 1427040), (224, 1382445), (240, 1290282), (248, 1248660), (252, 1228840), (279, 1109920), (280, 1105956), (288, 1075235), (310, 998928), (315, 983072), (336, 921630), (360, 860188), (372, 832440), (420, 737304), (434, 713520), (465, 665952), (480, 645141), (496, 624330), (504, 614420), (558, 554960), (560, 552978), (620, 499464), (630, 491536), (651, 475680), (672, 460815), (720, 430094), (744, 416220), (840, 368652), (868, 356760), (930, 332976), (991, 312480), (992, 312165), (1008, 307210), (1085, 285408), (1116, 277480), (1120, 276489), (1240, 249732), (1260, 245768), (1302, 237840), (1395, 221984), (1440, 215047), (1488, 208110), (1680, 184326), (1736, 178380), (1860, 166488), (1953, 158560), (1982, 156240), (2016, 153605), (2170, 142704), (2232, 138740), (2480, 124866), (2520, 122884), (2604, 118920), (2790, 110992), (2973, 104160), (2976, 104055), (3255, 95136), (3360, 92163), (3472, 89190), (3720, 83244), (3906, 79280), (3964, 78120), (4340, 71352), (4464, 69370), (4955, 62496), (4960, 62433), (5040, 61442), (5208, 59460), (5580, 55496), (5946, 52080), (6510, 47568), (6937, 44640), (6944, 44595), (7440, 41622), (7812, 39640), (7928, 39060), (8680, 35676), (8919, 34720), (8928, 34685), (9765, 31712), (9910, 31248), (10080, 30721), (10416, 29730), (11160, 27748), (11892, 26040), (13020, 23784), (13874, 22320), (14865, 20832), (14880, 20811), (15624, 19820), (15856, 19530), (17360, 17838)]