251528760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^4\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 320

約数和(自身を含む): 988192800

約数和(自身を除く): 736664040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 97, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 194, 196, 210, 216, 245, 252, 270, 280, 291, 294, 315, 343, 360, 378, 388, 392, 420, 441, 485, 490, 504, 540, 582, 588, 630, 679, 686, 735, 756, 776, 840, 873, 882, 945, 970, 980, 1029, 1080, 1164, 1176, 1260, 1323, 1358, 1372, 1455, 1470, 1512, 1715, 1746, 1764, 1890, 1940, 1960, 2037, 2058, 2205, 2328, 2401, 2520, 2619, 2646, 2716, 2744, 2910, 2940, 3087, 3395, 3430, 3492, 3528, 3780, 3880, 4074, 4116, 4365, 4410, 4753, 4802, 5145, 5238, 5292, 5432, 5820, 5880, 6111, 6174, 6615, 6790, 6860, 6984, 7203, 7560, 8148, 8232, 8730, 8820, 9261, 9506, 9604, 10185, 10290, 10476, 10584, 11640, 12005, 12222, 12348, 13095, 13230, 13580, 13720, 14259, 14406, 15435, 16296, 17460, 17640, 18333, 18522, 19012, 19208, 20370, 20580, 20952, 21609, 23765, 24010, 24444, 24696, 26190, 26460, 27160, 28518, 28812, 30555, 30870, 33271, 34920, 36015, 36666, 37044, 38024, 40740, 41160, 42777, 43218, 46305, 47530, 48020, 48888, 52380, 52920, 57036, 57624, 61110, 61740, 64827, 66542, 71295, 72030, 73332, 74088, 81480, 85554, 86436, 91665, 92610, 95060, 96040, 99813, 104760, 108045, 114072, 122220, 123480, 128331, 129654, 133084, 142590, 144060, 146664, 166355, 171108, 172872, 183330, 185220, 190120, 199626, 213885, 216090, 232897, 244440, 256662, 259308, 266168, 285180, 288120, 299439, 324135, 332710, 342216, 366660, 370440, 399252, 427770, 432180, 465794, 499065, 513324, 518616, 570360, 598878, 641655, 648270, 665420, 698691, 733320, 798504, 855540, 864360, 898317, 931588, 998130, 1026648, 1164485, 1197756, 1283310, 1296540, 1330840, 1397382, 1497195, 1711080, 1796634, 1863176, 1996260, 2096073, 2328970, 2395512, 2566620, 2593080, 2794764, 2994390, 3493455, 3593268, 3992520, 4192146, 4491585, 4657940, 5133240, 5589528, 5988780, 6288219, 6986910, 7186536, 8384292, 8983170, 9315880, 10480365, 11977560, 12576438, 13973820, 16768584, 17966340, 20960730, 25152876, 27947640, 31441095, 35932680, 41921460, 50305752, 62882190, 83842920, 125764380, 251528760]

約数ペア:

[(1, 251528760), (2, 125764380), (3, 83842920), (4, 62882190), (5, 50305752), (6, 41921460), (7, 35932680), (8, 31441095), (9, 27947640), (10, 25152876), (12, 20960730), (14, 17966340), (15, 16768584), (18, 13973820), (20, 12576438), (21, 11977560), (24, 10480365), (27, 9315880), (28, 8983170), (30, 8384292), (35, 7186536), (36, 6986910), (40, 6288219), (42, 5988780), (45, 5589528), (49, 5133240), (54, 4657940), (56, 4491585), (60, 4192146), (63, 3992520), (70, 3593268), (72, 3493455), (84, 2994390), (90, 2794764), (97, 2593080), (98, 2566620), (105, 2395512), (108, 2328970), (120, 2096073), (126, 1996260), (135, 1863176), (140, 1796634), (147, 1711080), (168, 1497195), (180, 1397382), (189, 1330840), (194, 1296540), (196, 1283310), (210, 1197756), (216, 1164485), (245, 1026648), (252, 998130), (270, 931588), (280, 898317), (291, 864360), (294, 855540), (315, 798504), (343, 733320), (360, 698691), (378, 665420), (388, 648270), (392, 641655), (420, 598878), (441, 570360), (485, 518616), (490, 513324), (504, 499065), (540, 465794), (582, 432180), (588, 427770), (630, 399252), (679, 370440), (686, 366660), (735, 342216), (756, 332710), (776, 324135), (840, 299439), (873, 288120), (882, 285180), (945, 266168), (970, 259308), (980, 256662), (1029, 244440), (1080, 232897), (1164, 216090), (1176, 213885), (1260, 199626), (1323, 190120), (1358, 185220), (1372, 183330), (1455, 172872), (1470, 171108), (1512, 166355), (1715, 146664), (1746, 144060), (1764, 142590), (1890, 133084), (1940, 129654), (1960, 128331), (2037, 123480), (2058, 122220), (2205, 114072), (2328, 108045), (2401, 104760), (2520, 99813), (2619, 96040), (2646, 95060), (2716, 92610), (2744, 91665), (2910, 86436), (2940, 85554), (3087, 81480), (3395, 74088), (3430, 73332), (3492, 72030), (3528, 71295), (3780, 66542), (3880, 64827), (4074, 61740), (4116, 61110), (4365, 57624), (4410, 57036), (4753, 52920), (4802, 52380), (5145, 48888), (5238, 48020), (5292, 47530), (5432, 46305), (5820, 43218), (5880, 42777), (6111, 41160), (6174, 40740), (6615, 38024), (6790, 37044), (6860, 36666), (6984, 36015), (7203, 34920), (7560, 33271), (8148, 30870), (8232, 30555), (8730, 28812), (8820, 28518), (9261, 27160), (9506, 26460), (9604, 26190), (10185, 24696), (10290, 24444), (10476, 24010), (10584, 23765), (11640, 21609), (12005, 20952), (12222, 20580), (12348, 20370), (13095, 19208), (13230, 19012), (13580, 18522), (13720, 18333), (14259, 17640), (14406, 17460), (15435, 16296)]