1977968160

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{21803}}^1$

素因数の和:21837

約数の個数: 240

約数和(自身を含む): 7978170816

約数和(自身を除く): 6000202656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 21803, 22680, 30240, 43606, 45360, 65409, 87212, 90720, 109015, 130818, 152621, 174424, 196227, 218030, 261636, 305242, 327045, 348848, 392454, 436060, 457863, 523272, 588681, 610484, 654090, 697696, 763105, 784908, 872120, 915726, 981135, 1046544, 1177362, 1220968, 1308180, 1373589, 1526210, 1569816, 1744240, 1766043, 1831452, 1962270, 2093088, 2289315, 2354724, 2441936, 2616360, 2747178, 2943405, 3052420, 3139632, 3488480, 3532086, 3662904, 3924540, 4120767, 4578630, 4709448, 4883872, 5232720, 5494356, 5886810, 6104840, 6279264, 6867945, 7064172, 7325808, 7849080, 8241534, 8830215, 9157260, 9418896, 10465440, 10988712, 11773620, 12209680, 12362301, 13735890, 14128344, 14651616, 15698160, 16483068, 17660430, 18314520, 18837792, 20603835, 21977424, 23547240, 24419360, 24724602, 27471780, 28256688, 31396320, 32966136, 35320860, 36629040, 41207670, 43954848, 47094480, 49449204, 54943560, 56513376, 61811505, 65932272, 70641720, 73258080, 82415340, 94188960, 98898408, 109887120, 123623010, 131864544, 141283440, 164830680, 197796816, 219774240, 247246020, 282566880, 329661360, 395593632, 494492040, 659322720, 988984080, 1977968160]

約数ペア:

[(1, 1977968160), (2, 988984080), (3, 659322720), (4, 494492040), (5, 395593632), (6, 329661360), (7, 282566880), (8, 247246020), (9, 219774240), (10, 197796816), (12, 164830680), (14, 141283440), (15, 131864544), (16, 123623010), (18, 109887120), (20, 98898408), (21, 94188960), (24, 82415340), (27, 73258080), (28, 70641720), (30, 65932272), (32, 61811505), (35, 56513376), (36, 54943560), (40, 49449204), (42, 47094480), (45, 43954848), (48, 41207670), (54, 36629040), (56, 35320860), (60, 32966136), (63, 31396320), (70, 28256688), (72, 27471780), (80, 24724602), (81, 24419360), (84, 23547240), (90, 21977424), (96, 20603835), (105, 18837792), (108, 18314520), (112, 17660430), (120, 16483068), (126, 15698160), (135, 14651616), (140, 14128344), (144, 13735890), (160, 12362301), (162, 12209680), (168, 11773620), (180, 10988712), (189, 10465440), (210, 9418896), (216, 9157260), (224, 8830215), (240, 8241534), (252, 7849080), (270, 7325808), (280, 7064172), (288, 6867945), (315, 6279264), (324, 6104840), (336, 5886810), (360, 5494356), (378, 5232720), (405, 4883872), (420, 4709448), (432, 4578630), (480, 4120767), (504, 3924540), (540, 3662904), (560, 3532086), (567, 3488480), (630, 3139632), (648, 3052420), (672, 2943405), (720, 2747178), (756, 2616360), (810, 2441936), (840, 2354724), (864, 2289315), (945, 2093088), (1008, 1962270), (1080, 1831452), (1120, 1766043), (1134, 1744240), (1260, 1569816), (1296, 1526210), (1440, 1373589), (1512, 1308180), (1620, 1220968), (1680, 1177362), (1890, 1046544), (2016, 981135), (2160, 915726), (2268, 872120), (2520, 784908), (2592, 763105), (2835, 697696), (3024, 654090), (3240, 610484), (3360, 588681), (3780, 523272), (4320, 457863), (4536, 436060), (5040, 392454), (5670, 348848), (6048, 327045), (6480, 305242), (7560, 261636), (9072, 218030), (10080, 196227), (11340, 174424), (12960, 152621), (15120, 130818), (18144, 109015), (21803, 90720), (22680, 87212), (30240, 65409), (43606, 45360)]