1998969840

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 400

約数和(自身を含む): 8020058112

約数和(自身を除く): 6021088272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 127, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 254, 270, 280, 315, 324, 336, 347, 360, 378, 381, 405, 420, 432, 504, 508, 540, 560, 567, 630, 635, 648, 694, 720, 756, 762, 810, 840, 889, 945, 1008, 1016, 1041, 1080, 1134, 1143, 1260, 1270, 1296, 1388, 1512, 1524, 1620, 1680, 1735, 1778, 1890, 1905, 2032, 2082, 2160, 2268, 2286, 2429, 2520, 2540, 2667, 2776, 2835, 3024, 3048, 3123, 3240, 3429, 3470, 3556, 3780, 3810, 4164, 4445, 4536, 4572, 4858, 5040, 5080, 5205, 5334, 5552, 5670, 5715, 6096, 6246, 6480, 6858, 6940, 7112, 7287, 7560, 7620, 8001, 8328, 8890, 9072, 9144, 9369, 9716, 10160, 10287, 10410, 10668, 11340, 11430, 12145, 12492, 13335, 13716, 13880, 14224, 14574, 15120, 15240, 15615, 16002, 16656, 17145, 17780, 18288, 18738, 19432, 20574, 20820, 21336, 21861, 22680, 22860, 24003, 24290, 24984, 26670, 27432, 27760, 28107, 29148, 30480, 31230, 32004, 34290, 35560, 36435, 37476, 38864, 40005, 41148, 41640, 42672, 43722, 44069, 45360, 45720, 46845, 48006, 48580, 49968, 51435, 53340, 54864, 56214, 58296, 62460, 64008, 65583, 68580, 71120, 72009, 72870, 74952, 80010, 82296, 83280, 87444, 88138, 91440, 93690, 96012, 97160, 102870, 106680, 109305, 112428, 116592, 120015, 124920, 128016, 131166, 132207, 137160, 140535, 144018, 145740, 149904, 160020, 164592, 174888, 176276, 187380, 192024, 194320, 196749, 205740, 213360, 218610, 220345, 224856, 240030, 249840, 262332, 264414, 274320, 281070, 288036, 291480, 308483, 320040, 327915, 349776, 352552, 360045, 374760, 384048, 393498, 396621, 411480, 437220, 440690, 449712, 480060, 524664, 528828, 562140, 576072, 582960, 616966, 640080, 655830, 661035, 705104, 720090, 749520, 786996, 793242, 822960, 874440, 881380, 925449, 960120, 983745, 1049328, 1057656, 1124280, 1152144, 1189863, 1233932, 1311660, 1322070, 1440180, 1542415, 1573992, 1586484, 1748880, 1762760, 1850898, 1920240, 1967490, 1983105, 2115312, 2248560, 2379726, 2467864, 2623320, 2644140, 2776347, 2880360, 3084830, 3147984, 3172968, 3525520, 3569589, 3701796, 3934980, 3966210, 4627245, 4759452, 4935728, 5246640, 5288280, 5552694, 5760720, 5949315, 6169660, 6345936, 7139178, 7403592, 7869960, 7932420, 8329041, 9254490, 9518904, 10576560, 11105388, 11898630, 12339320, 13881735, 14278356, 14807184, 15739920, 15864840, 16658082, 17847945, 18508980, 19037808, 22210776, 23797260, 24678640, 24987123, 27763470, 28556712, 31729680, 33316164, 35695890, 37017960, 41645205, 44421552, 47594520, 49974246, 55526940, 57113424, 66632328, 71391780, 74035920, 83290410, 95189040, 99948492, 111053880, 124935615, 133264656, 142783560, 166580820, 199896984, 222107760, 249871230, 285567120, 333161640, 399793968, 499742460, 666323280, 999484920, 1998969840]

約数ペア:

[(1, 1998969840), (2, 999484920), (3, 666323280), (4, 499742460), (5, 399793968), (6, 333161640), (7, 285567120), (8, 249871230), (9, 222107760), (10, 199896984), (12, 166580820), (14, 142783560), (15, 133264656), (16, 124935615), (18, 111053880), (20, 99948492), (21, 95189040), (24, 83290410), (27, 74035920), (28, 71391780), (30, 66632328), (35, 57113424), (36, 55526940), (40, 49974246), (42, 47594520), (45, 44421552), (48, 41645205), (54, 37017960), (56, 35695890), (60, 33316164), (63, 31729680), (70, 28556712), (72, 27763470), (80, 24987123), (81, 24678640), (84, 23797260), (90, 22210776), (105, 19037808), (108, 18508980), (112, 17847945), (120, 16658082), (126, 15864840), (127, 15739920), (135, 14807184), (140, 14278356), (144, 13881735), (162, 12339320), (168, 11898630), (180, 11105388), (189, 10576560), (210, 9518904), (216, 9254490), (240, 8329041), (252, 7932420), (254, 7869960), (270, 7403592), (280, 7139178), (315, 6345936), (324, 6169660), (336, 5949315), (347, 5760720), (360, 5552694), (378, 5288280), (381, 5246640), (405, 4935728), (420, 4759452), (432, 4627245), (504, 3966210), (508, 3934980), (540, 3701796), (560, 3569589), (567, 3525520), (630, 3172968), (635, 3147984), (648, 3084830), (694, 2880360), (720, 2776347), (756, 2644140), (762, 2623320), (810, 2467864), (840, 2379726), (889, 2248560), (945, 2115312), (1008, 1983105), (1016, 1967490), (1041, 1920240), (1080, 1850898), (1134, 1762760), (1143, 1748880), (1260, 1586484), (1270, 1573992), (1296, 1542415), (1388, 1440180), (1512, 1322070), (1524, 1311660), (1620, 1233932), (1680, 1189863), (1735, 1152144), (1778, 1124280), (1890, 1057656), (1905, 1049328), (2032, 983745), (2082, 960120), (2160, 925449), (2268, 881380), (2286, 874440), (2429, 822960), (2520, 793242), (2540, 786996), (2667, 749520), (2776, 720090), (2835, 705104), (3024, 661035), (3048, 655830), (3123, 640080), (3240, 616966), (3429, 582960), (3470, 576072), (3556, 562140), (3780, 528828), (3810, 524664), (4164, 480060), (4445, 449712), (4536, 440690), (4572, 437220), (4858, 411480), (5040, 396621), (5080, 393498), (5205, 384048), (5334, 374760), (5552, 360045), (5670, 352552), (5715, 349776), (6096, 327915), (6246, 320040), (6480, 308483), (6858, 291480), (6940, 288036), (7112, 281070), (7287, 274320), (7560, 264414), (7620, 262332), (8001, 249840), (8328, 240030), (8890, 224856), (9072, 220345), (9144, 218610), (9369, 213360), (9716, 205740), (10160, 196749), (10287, 194320), (10410, 192024), (10668, 187380), (11340, 176276), (11430, 174888), (12145, 164592), (12492, 160020), (13335, 149904), (13716, 145740), (13880, 144018), (14224, 140535), (14574, 137160), (15120, 132207), (15240, 131166), (15615, 128016), (16002, 124920), (16656, 120015), (17145, 116592), (17780, 112428), (18288, 109305), (18738, 106680), (19432, 102870), (20574, 97160), (20820, 96012), (21336, 93690), (21861, 91440), (22680, 88138), (22860, 87444), (24003, 83280), (24290, 82296), (24984, 80010), (26670, 74952), (27432, 72870), (27760, 72009), (28107, 71120), (29148, 68580), (30480, 65583), (31230, 64008), (32004, 62460), (34290, 58296), (35560, 56214), (36435, 54864), (37476, 53340), (38864, 51435), (40005, 49968), (41148, 48580), (41640, 48006), (42672, 46845), (43722, 45720), (44069, 45360)]