20168448720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1429}}^1$

素因数の和:1754

約数の個数: 320

約数和(自身を含む): 74082877440

約数和(自身を除く): 53914428720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 271, 280, 310, 336, 372, 420, 434, 465, 496, 542, 560, 620, 651, 744, 813, 840, 868, 930, 1084, 1085, 1240, 1302, 1355, 1429, 1488, 1626, 1680, 1736, 1860, 1897, 2168, 2170, 2480, 2604, 2710, 2858, 3252, 3255, 3472, 3720, 3794, 4065, 4287, 4336, 4340, 5208, 5420, 5691, 5716, 6504, 6510, 7145, 7440, 7588, 8130, 8401, 8574, 8680, 9485, 10003, 10416, 10840, 11382, 11432, 13008, 13020, 14290, 15176, 16260, 16802, 17148, 17360, 18970, 20006, 21435, 21680, 22764, 22864, 25203, 26040, 28455, 28580, 30009, 30352, 32520, 33604, 34296, 37940, 40012, 42005, 42870, 44299, 45528, 50015, 50406, 52080, 56910, 57160, 58807, 60018, 65040, 67208, 68592, 75880, 80024, 84010, 85740, 88598, 91056, 100030, 100812, 113820, 114320, 117614, 120036, 126015, 132897, 134416, 150045, 151760, 160048, 168020, 171480, 176421, 177196, 200060, 201624, 221495, 227640, 235228, 240072, 252030, 265794, 294035, 300090, 310093, 336040, 342960, 352842, 354392, 387259, 400120, 403248, 442990, 455280, 470456, 480144, 504060, 531588, 588070, 600180, 620186, 664485, 672080, 705684, 708784, 774518, 800240, 882105, 885980, 930279, 940912, 1008120, 1063176, 1161777, 1176140, 1200360, 1240372, 1328970, 1411368, 1549036, 1550465, 1764210, 1771960, 1860558, 1936295, 2016240, 2126352, 2323554, 2352280, 2400720, 2480744, 2657940, 2710813, 2822736, 3098072, 3100930, 3528420, 3543920, 3721116, 3872590, 4647108, 4651395, 4704560, 4961488, 5315880, 5421626, 5808885, 6196144, 6201860, 7056840, 7442232, 7745180, 8132439, 9294216, 9302790, 10631760, 10843252, 11617770, 12005029, 12403720, 13554065, 14113680, 14884464, 15490360, 16264878, 18588432, 18605580, 21686504, 23235540, 24010058, 24807440, 27108130, 30980720, 32529756, 36015087, 37211160, 40662195, 43373008, 46471080, 48020116, 54216260, 60025145, 65059512, 72030174, 74422320, 81324390, 84035203, 92942160, 96040232, 108432520, 120050290, 130119024, 144060348, 162648780, 168070406, 180075435, 192080464, 216865040, 240100580, 252105609, 288120696, 325297560, 336140812, 360150870, 420176015, 480201160, 504211218, 576241392, 650595120, 672281624, 720301740, 840352030, 960402320, 1008422436, 1260528045, 1344563248, 1440603480, 1680704060, 2016844872, 2521056090, 2881206960, 3361408120, 4033689744, 5042112180, 6722816240, 10084224360, 20168448720]

約数ペア:

[(1, 20168448720), (2, 10084224360), (3, 6722816240), (4, 5042112180), (5, 4033689744), (6, 3361408120), (7, 2881206960), (8, 2521056090), (10, 2016844872), (12, 1680704060), (14, 1440603480), (15, 1344563248), (16, 1260528045), (20, 1008422436), (21, 960402320), (24, 840352030), (28, 720301740), (30, 672281624), (31, 650595120), (35, 576241392), (40, 504211218), (42, 480201160), (48, 420176015), (56, 360150870), (60, 336140812), (62, 325297560), (70, 288120696), (80, 252105609), (84, 240100580), (93, 216865040), (105, 192080464), (112, 180075435), (120, 168070406), (124, 162648780), (140, 144060348), (155, 130119024), (168, 120050290), (186, 108432520), (210, 96040232), (217, 92942160), (240, 84035203), (248, 81324390), (271, 74422320), (280, 72030174), (310, 65059512), (336, 60025145), (372, 54216260), (420, 48020116), (434, 46471080), (465, 43373008), (496, 40662195), (542, 37211160), (560, 36015087), (620, 32529756), (651, 30980720), (744, 27108130), (813, 24807440), (840, 24010058), (868, 23235540), (930, 21686504), (1084, 18605580), (1085, 18588432), (1240, 16264878), (1302, 15490360), (1355, 14884464), (1429, 14113680), (1488, 13554065), (1626, 12403720), (1680, 12005029), (1736, 11617770), (1860, 10843252), (1897, 10631760), (2168, 9302790), (2170, 9294216), (2480, 8132439), (2604, 7745180), (2710, 7442232), (2858, 7056840), (3252, 6201860), (3255, 6196144), (3472, 5808885), (3720, 5421626), (3794, 5315880), (4065, 4961488), (4287, 4704560), (4336, 4651395), (4340, 4647108), (5208, 3872590), (5420, 3721116), (5691, 3543920), (5716, 3528420), (6504, 3100930), (6510, 3098072), (7145, 2822736), (7440, 2710813), (7588, 2657940), (8130, 2480744), (8401, 2400720), (8574, 2352280), (8680, 2323554), (9485, 2126352), (10003, 2016240), (10416, 1936295), (10840, 1860558), (11382, 1771960), (11432, 1764210), (13008, 1550465), (13020, 1549036), (14290, 1411368), (15176, 1328970), (16260, 1240372), (16802, 1200360), (17148, 1176140), (17360, 1161777), (18970, 1063176), (20006, 1008120), (21435, 940912), (21680, 930279), (22764, 885980), (22864, 882105), (25203, 800240), (26040, 774518), (28455, 708784), (28580, 705684), (30009, 672080), (30352, 664485), (32520, 620186), (33604, 600180), (34296, 588070), (37940, 531588), (40012, 504060), (42005, 480144), (42870, 470456), (44299, 455280), (45528, 442990), (50015, 403248), (50406, 400120), (52080, 387259), (56910, 354392), (57160, 352842), (58807, 342960), (60018, 336040), (65040, 310093), (67208, 300090), (68592, 294035), (75880, 265794), (80024, 252030), (84010, 240072), (85740, 235228), (88598, 227640), (91056, 221495), (100030, 201624), (100812, 200060), (113820, 177196), (114320, 176421), (117614, 171480), (120036, 168020), (126015, 160048), (132897, 151760), (134416, 150045)]