1990679040

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{12343}}^1$

素因数の和:12379

約数の個数: 240

約数和(自身を含む): 7879817088

約数和(自身を除く): 5889138048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 12343, 13440, 16128, 17920, 20160, 23040, 24686, 26880, 32256, 37029, 40320, 49372, 53760, 61715, 74058, 80640, 86401, 98744, 111087, 123430, 148116, 161280, 172802, 185145, 197488, 222174, 246860, 259203, 296232, 345604, 370290, 394976, 432005, 444348, 493720, 518406, 555435, 592464, 691208, 740580, 777609, 789952, 864010, 888696, 987440, 1036812, 1110870, 1184928, 1296015, 1382416, 1481160, 1555218, 1579904, 1728020, 1777392, 1974880, 2073624, 2221740, 2369856, 2592030, 2764832, 2962320, 3110436, 3159808, 3456040, 3554784, 3888045, 3949760, 4147248, 4443480, 4739712, 5184060, 5529664, 5924640, 6220872, 6319616, 6912080, 7109568, 7776090, 7899520, 8294496, 8886960, 9479424, 10368120, 11059328, 11849280, 12441744, 13824160, 14219136, 15552180, 15799040, 16588992, 17773920, 18958848, 20736240, 22118656, 23698560, 24883488, 27648320, 28438272, 31104360, 31598080, 33177984, 35547840, 41472480, 44237312, 47397120, 49766976, 55296640, 56876544, 62208720, 66355968, 71095680, 82944960, 94794240, 99533952, 110593280, 124417440, 132711936, 142191360, 165889920, 199067904, 221186560, 248834880, 284382720, 331779840, 398135808, 497669760, 663559680, 995339520, 1990679040]

約数ペア:

[(1, 1990679040), (2, 995339520), (3, 663559680), (4, 497669760), (5, 398135808), (6, 331779840), (7, 284382720), (8, 248834880), (9, 221186560), (10, 199067904), (12, 165889920), (14, 142191360), (15, 132711936), (16, 124417440), (18, 110593280), (20, 99533952), (21, 94794240), (24, 82944960), (28, 71095680), (30, 66355968), (32, 62208720), (35, 56876544), (36, 55296640), (40, 49766976), (42, 47397120), (45, 44237312), (48, 41472480), (56, 35547840), (60, 33177984), (63, 31598080), (64, 31104360), (70, 28438272), (72, 27648320), (80, 24883488), (84, 23698560), (90, 22118656), (96, 20736240), (105, 18958848), (112, 17773920), (120, 16588992), (126, 15799040), (128, 15552180), (140, 14219136), (144, 13824160), (160, 12441744), (168, 11849280), (180, 11059328), (192, 10368120), (210, 9479424), (224, 8886960), (240, 8294496), (252, 7899520), (256, 7776090), (280, 7109568), (288, 6912080), (315, 6319616), (320, 6220872), (336, 5924640), (360, 5529664), (384, 5184060), (420, 4739712), (448, 4443480), (480, 4147248), (504, 3949760), (512, 3888045), (560, 3554784), (576, 3456040), (630, 3159808), (640, 3110436), (672, 2962320), (720, 2764832), (768, 2592030), (840, 2369856), (896, 2221740), (960, 2073624), (1008, 1974880), (1120, 1777392), (1152, 1728020), (1260, 1579904), (1280, 1555218), (1344, 1481160), (1440, 1382416), (1536, 1296015), (1680, 1184928), (1792, 1110870), (1920, 1036812), (2016, 987440), (2240, 888696), (2304, 864010), (2520, 789952), (2560, 777609), (2688, 740580), (2880, 691208), (3360, 592464), (3584, 555435), (3840, 518406), (4032, 493720), (4480, 444348), (4608, 432005), (5040, 394976), (5376, 370290), (5760, 345604), (6720, 296232), (7680, 259203), (8064, 246860), (8960, 222174), (10080, 197488), (10752, 185145), (11520, 172802), (12343, 161280), (13440, 148116), (16128, 123430), (17920, 111087), (20160, 98744), (23040, 86401), (24686, 80640), (26880, 74058), (32256, 61715), (37029, 53760), (40320, 49372)]