1331441280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5927}}^1$

素因数の和:5968

約数の個数: 256

約数和(自身を含む): 5079110400

約数和(自身を除く): 3747669120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1404, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2340, 2496, 2808, 2880, 3120, 3456, 3510, 3744, 4160, 4320, 4680, 4992, 5616, 5760, 5927, 6240, 7020, 7488, 8320, 8640, 9360, 11232, 11854, 12480, 14040, 14976, 17280, 17781, 18720, 22464, 23708, 24960, 28080, 29635, 35562, 37440, 44928, 47416, 53343, 56160, 59270, 71124, 74880, 77051, 88905, 94832, 106686, 112320, 118540, 142248, 154102, 160029, 177810, 189664, 213372, 224640, 231153, 237080, 266715, 284496, 308204, 320058, 355620, 379328, 385255, 426744, 462306, 474160, 533430, 568992, 616408, 640116, 693459, 711240, 758656, 770510, 800145, 853488, 924612, 948320, 1066860, 1137984, 1155765, 1232816, 1280232, 1386918, 1422480, 1541020, 1600290, 1706976, 1849224, 1896640, 2080377, 2133720, 2275968, 2311530, 2465632, 2560464, 2773836, 2844960, 3082040, 3200580, 3413952, 3467295, 3698448, 3793280, 4160754, 4267440, 4623060, 4931264, 5120928, 5547672, 5689920, 6164080, 6401160, 6827904, 6934590, 7396896, 8321508, 8534880, 9246120, 9862528, 10241856, 10401885, 11095344, 11379840, 12328160, 12802320, 13869180, 14793792, 16643016, 17069760, 18492240, 20483712, 20803770, 22190688, 24656320, 25604640, 27738360, 29587584, 33286032, 34139520, 36984480, 41607540, 44381376, 49312640, 51209280, 55476720, 66572064, 73968960, 83215080, 88762752, 102418560, 110953440, 133144128, 147937920, 166430160, 221906880, 266288256, 332860320, 443813760, 665720640, 1331441280]

約数ペア:

[(1, 1331441280), (2, 665720640), (3, 443813760), (4, 332860320), (5, 266288256), (6, 221906880), (8, 166430160), (9, 147937920), (10, 133144128), (12, 110953440), (13, 102418560), (15, 88762752), (16, 83215080), (18, 73968960), (20, 66572064), (24, 55476720), (26, 51209280), (27, 49312640), (30, 44381376), (32, 41607540), (36, 36984480), (39, 34139520), (40, 33286032), (45, 29587584), (48, 27738360), (52, 25604640), (54, 24656320), (60, 22190688), (64, 20803770), (65, 20483712), (72, 18492240), (78, 17069760), (80, 16643016), (90, 14793792), (96, 13869180), (104, 12802320), (108, 12328160), (117, 11379840), (120, 11095344), (128, 10401885), (130, 10241856), (135, 9862528), (144, 9246120), (156, 8534880), (160, 8321508), (180, 7396896), (192, 6934590), (195, 6827904), (208, 6401160), (216, 6164080), (234, 5689920), (240, 5547672), (260, 5120928), (270, 4931264), (288, 4623060), (312, 4267440), (320, 4160754), (351, 3793280), (360, 3698448), (384, 3467295), (390, 3413952), (416, 3200580), (432, 3082040), (468, 2844960), (480, 2773836), (520, 2560464), (540, 2465632), (576, 2311530), (585, 2275968), (624, 2133720), (640, 2080377), (702, 1896640), (720, 1849224), (780, 1706976), (832, 1600290), (864, 1541020), (936, 1422480), (960, 1386918), (1040, 1280232), (1080, 1232816), (1152, 1155765), (1170, 1137984), (1248, 1066860), (1404, 948320), (1440, 924612), (1560, 853488), (1664, 800145), (1728, 770510), (1755, 758656), (1872, 711240), (1920, 693459), (2080, 640116), (2160, 616408), (2340, 568992), (2496, 533430), (2808, 474160), (2880, 462306), (3120, 426744), (3456, 385255), (3510, 379328), (3744, 355620), (4160, 320058), (4320, 308204), (4680, 284496), (4992, 266715), (5616, 237080), (5760, 231153), (5927, 224640), (6240, 213372), (7020, 189664), (7488, 177810), (8320, 160029), (8640, 154102), (9360, 142248), (11232, 118540), (11854, 112320), (12480, 106686), (14040, 94832), (14976, 88905), (17280, 77051), (17781, 74880), (18720, 71124), (22464, 59270), (23708, 56160), (24960, 53343), (28080, 47416), (29635, 44928), (35562, 37440)]