31680180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 288

約数和(自身を含む): 123782400

約数和(自身を除く): 92102220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 29, 30, 34, 35, 36, 42, 45, 51, 54, 58, 60, 63, 68, 70, 84, 85, 87, 90, 102, 105, 108, 116, 119, 126, 135, 140, 145, 153, 170, 174, 180, 189, 203, 204, 210, 238, 252, 255, 261, 270, 289, 290, 306, 315, 340, 348, 357, 378, 406, 420, 435, 459, 476, 493, 510, 522, 540, 578, 580, 595, 609, 612, 630, 714, 756, 765, 783, 812, 867, 870, 918, 945, 986, 1015, 1020, 1044, 1071, 1156, 1190, 1218, 1260, 1305, 1428, 1445, 1479, 1530, 1566, 1734, 1740, 1785, 1827, 1836, 1890, 1972, 2023, 2030, 2142, 2295, 2380, 2436, 2465, 2601, 2610, 2890, 2958, 3045, 3060, 3132, 3213, 3451, 3468, 3570, 3654, 3780, 3915, 4046, 4060, 4284, 4335, 4437, 4590, 4930, 5202, 5220, 5355, 5481, 5780, 5916, 6069, 6090, 6426, 6902, 7140, 7308, 7395, 7803, 7830, 8092, 8381, 8670, 8874, 9135, 9180, 9860, 10115, 10353, 10404, 10710, 10962, 12138, 12180, 12852, 13005, 13311, 13804, 14790, 15606, 15660, 16065, 16762, 17255, 17340, 17748, 18207, 18270, 20230, 20706, 21420, 21924, 22185, 24276, 25143, 26010, 26622, 27405, 29580, 30345, 31059, 31212, 32130, 33524, 34510, 36414, 36540, 39015, 40460, 41412, 41905, 44370, 50286, 51765, 52020, 53244, 54621, 54810, 58667, 60690, 62118, 64260, 66555, 69020, 72828, 75429, 78030, 83810, 88740, 91035, 93177, 100572, 103530, 109242, 109620, 117334, 121380, 124236, 125715, 133110, 150858, 155295, 156060, 167620, 176001, 182070, 186354, 207060, 218484, 226287, 234668, 251430, 266220, 273105, 293335, 301716, 310590, 352002, 364140, 372708, 377145, 452574, 465885, 502860, 528003, 546210, 586670, 621180, 704004, 754290, 880005, 905148, 931770, 1056006, 1092420, 1131435, 1173340, 1508580, 1584009, 1760010, 1863540, 2112012, 2262870, 2640015, 3168018, 3520020, 4525740, 5280030, 6336036, 7920045, 10560060, 15840090, 31680180]

約数ペア:

[(1, 31680180), (2, 15840090), (3, 10560060), (4, 7920045), (5, 6336036), (6, 5280030), (7, 4525740), (9, 3520020), (10, 3168018), (12, 2640015), (14, 2262870), (15, 2112012), (17, 1863540), (18, 1760010), (20, 1584009), (21, 1508580), (27, 1173340), (28, 1131435), (29, 1092420), (30, 1056006), (34, 931770), (35, 905148), (36, 880005), (42, 754290), (45, 704004), (51, 621180), (54, 586670), (58, 546210), (60, 528003), (63, 502860), (68, 465885), (70, 452574), (84, 377145), (85, 372708), (87, 364140), (90, 352002), (102, 310590), (105, 301716), (108, 293335), (116, 273105), (119, 266220), (126, 251430), (135, 234668), (140, 226287), (145, 218484), (153, 207060), (170, 186354), (174, 182070), (180, 176001), (189, 167620), (203, 156060), (204, 155295), (210, 150858), (238, 133110), (252, 125715), (255, 124236), (261, 121380), (270, 117334), (289, 109620), (290, 109242), (306, 103530), (315, 100572), (340, 93177), (348, 91035), (357, 88740), (378, 83810), (406, 78030), (420, 75429), (435, 72828), (459, 69020), (476, 66555), (493, 64260), (510, 62118), (522, 60690), (540, 58667), (578, 54810), (580, 54621), (595, 53244), (609, 52020), (612, 51765), (630, 50286), (714, 44370), (756, 41905), (765, 41412), (783, 40460), (812, 39015), (867, 36540), (870, 36414), (918, 34510), (945, 33524), (986, 32130), (1015, 31212), (1020, 31059), (1044, 30345), (1071, 29580), (1156, 27405), (1190, 26622), (1218, 26010), (1260, 25143), (1305, 24276), (1428, 22185), (1445, 21924), (1479, 21420), (1530, 20706), (1566, 20230), (1734, 18270), (1740, 18207), (1785, 17748), (1827, 17340), (1836, 17255), (1890, 16762), (1972, 16065), (2023, 15660), (2030, 15606), (2142, 14790), (2295, 13804), (2380, 13311), (2436, 13005), (2465, 12852), (2601, 12180), (2610, 12138), (2890, 10962), (2958, 10710), (3045, 10404), (3060, 10353), (3132, 10115), (3213, 9860), (3451, 9180), (3468, 9135), (3570, 8874), (3654, 8670), (3780, 8381), (3915, 8092), (4046, 7830), (4060, 7803), (4284, 7395), (4335, 7308), (4437, 7140), (4590, 6902), (4930, 6426), (5202, 6090), (5220, 6069), (5355, 5916), (5481, 5780)]