990979920

素因数分解:

$2^4\times 3^4\times 5^1\times 7^2\times {\mathrm{3121}}^1$

素因数の和:3160

約数の個数: 300

約数和(自身を含む): 4005032724

約数和(自身を除く): 3014052804

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, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 490, 504, 540, 560, 567, 588, 630, 648, 720, 735, 756, 784, 810, 840, 882, 945, 980, 1008, 1080, 1134, 1176, 1260, 1296, 1323, 1470, 1512, 1620, 1680, 1764, 1890, 1960, 2160, 2205, 2268, 2352, 2520, 2646, 2835, 2940, 3024, 3121, 3240, 3528, 3780, 3920, 3969, 4410, 4536, 5040, 5292, 5670, 5880, 6242, 6480, 6615, 7056, 7560, 7938, 8820, 9072, 9363, 10584, 11340, 11760, 12484, 13230, 15120, 15605, 15876, 17640, 18726, 19845, 21168, 21847, 22680, 24968, 26460, 28089, 31210, 31752, 35280, 37452, 39690, 43694, 45360, 46815, 49936, 52920, 56178, 62420, 63504, 65541, 74904, 79380, 84267, 87388, 93630, 105840, 109235, 112356, 124840, 131082, 140445, 149808, 152929, 158760, 168534, 174776, 187260, 196623, 218470, 224712, 249680, 252801, 262164, 280890, 305858, 317520, 327705, 337068, 349552, 374520, 393246, 421335, 436940, 449424, 458787, 505602, 524328, 561780, 589869, 611716, 655410, 674136, 749040, 764645, 786492, 842670, 873880, 917574, 983115, 1011204, 1048656, 1123560, 1179738, 1223432, 1264005, 1310820, 1348272, 1376361, 1529290, 1572984, 1685340, 1747760, 1769607, 1835148, 1966230, 2022408, 2247120, 2293935, 2359476, 2446864, 2528010, 2621640, 2752722, 2949345, 3058580, 3145968, 3370680, 3539214, 3670296, 3932460, 4044816, 4129083, 4587870, 4718952, 5056020, 5243280, 5505444, 5898690, 6117160, 6741360, 6881805, 7078428, 7340592, 7864920, 8258166, 8848035, 9175740, 9437904, 10112040, 11010888, 11797380, 12234320, 12387249, 13763610, 14156856, 15729840, 16516332, 17696070, 18351480, 20224080, 20645415, 22021776, 23594760, 24774498, 27527220, 28313712, 33032664, 35392140, 36702960, 41290830, 47189520, 49548996, 55054440, 61936245, 66065328, 70784280, 82581660, 99097992, 110108880, 123872490, 141568560, 165163320, 198195984, 247744980, 330326640, 495489960, 990979920]

約数ペア:

[(1, 990979920), (2, 495489960), (3, 330326640), (4, 247744980), (5, 198195984), (6, 165163320), (7, 141568560), (8, 123872490), (9, 110108880), (10, 99097992), (12, 82581660), (14, 70784280), (15, 66065328), (16, 61936245), (18, 55054440), (20, 49548996), (21, 47189520), (24, 41290830), (27, 36702960), (28, 35392140), (30, 33032664), (35, 28313712), (36, 27527220), (40, 24774498), (42, 23594760), (45, 22021776), (48, 20645415), (49, 20224080), (54, 18351480), (56, 17696070), (60, 16516332), (63, 15729840), (70, 14156856), (72, 13763610), (80, 12387249), (81, 12234320), (84, 11797380), (90, 11010888), (98, 10112040), (105, 9437904), (108, 9175740), (112, 8848035), (120, 8258166), (126, 7864920), (135, 7340592), (140, 7078428), (144, 6881805), (147, 6741360), (162, 6117160), (168, 5898690), (180, 5505444), (189, 5243280), (196, 5056020), (210, 4718952), (216, 4587870), (240, 4129083), (245, 4044816), (252, 3932460), (270, 3670296), (280, 3539214), (294, 3370680), (315, 3145968), (324, 3058580), (336, 2949345), (360, 2752722), (378, 2621640), (392, 2528010), (405, 2446864), (420, 2359476), (432, 2293935), (441, 2247120), (490, 2022408), (504, 1966230), (540, 1835148), (560, 1769607), (567, 1747760), (588, 1685340), (630, 1572984), (648, 1529290), (720, 1376361), (735, 1348272), (756, 1310820), (784, 1264005), (810, 1223432), (840, 1179738), (882, 1123560), (945, 1048656), (980, 1011204), (1008, 983115), (1080, 917574), (1134, 873880), (1176, 842670), (1260, 786492), (1296, 764645), (1323, 749040), (1470, 674136), (1512, 655410), (1620, 611716), (1680, 589869), (1764, 561780), (1890, 524328), (1960, 505602), (2160, 458787), (2205, 449424), (2268, 436940), (2352, 421335), (2520, 393246), (2646, 374520), (2835, 349552), (2940, 337068), (3024, 327705), (3121, 317520), (3240, 305858), (3528, 280890), (3780, 262164), (3920, 252801), (3969, 249680), (4410, 224712), (4536, 218470), (5040, 196623), (5292, 187260), (5670, 174776), (5880, 168534), (6242, 158760), (6480, 152929), (6615, 149808), (7056, 140445), (7560, 131082), (7938, 124840), (8820, 112356), (9072, 109235), (9363, 105840), (10584, 93630), (11340, 87388), (11760, 84267), (12484, 79380), (13230, 74904), (15120, 65541), (15605, 63504), (15876, 62420), (17640, 56178), (18726, 52920), (19845, 49936), (21168, 46815), (21847, 45360), (22680, 43694), (24968, 39690), (26460, 37452), (28089, 35280), (31210, 31752)]