131314320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 240

約数和(自身を含む): 481665600

約数和(自身を除く): 350351280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 48, 57, 58, 60, 72, 76, 80, 87, 90, 95, 114, 116, 120, 144, 145, 152, 171, 174, 180, 190, 228, 232, 240, 261, 285, 290, 304, 331, 342, 348, 360, 380, 435, 456, 464, 522, 551, 570, 580, 662, 684, 696, 720, 760, 855, 870, 912, 993, 1044, 1102, 1140, 1160, 1305, 1324, 1368, 1392, 1520, 1653, 1655, 1710, 1740, 1986, 2088, 2204, 2280, 2320, 2610, 2648, 2736, 2755, 2979, 3306, 3310, 3420, 3480, 3972, 4176, 4408, 4560, 4959, 4965, 5220, 5296, 5510, 5958, 6289, 6612, 6620, 6840, 6960, 7944, 8265, 8816, 9599, 9918, 9930, 10440, 11020, 11916, 12578, 13224, 13240, 13680, 14895, 15888, 16530, 18867, 19198, 19836, 19860, 20880, 22040, 23832, 24795, 25156, 26448, 26480, 28797, 29790, 31445, 33060, 37734, 38396, 39672, 39720, 44080, 47664, 47995, 49590, 50312, 56601, 57594, 59580, 62890, 66120, 75468, 76792, 79344, 79440, 86391, 94335, 95990, 99180, 100624, 113202, 115188, 119160, 125780, 132240, 143985, 150936, 153584, 172782, 182381, 188670, 191980, 198360, 226404, 230376, 238320, 251560, 283005, 287970, 301872, 345564, 364762, 377340, 383960, 396720, 431955, 452808, 460752, 503120, 547143, 566010, 575940, 691128, 729524, 754680, 767920, 863910, 905616, 911905, 1094286, 1132020, 1151880, 1382256, 1459048, 1509360, 1641429, 1727820, 1823810, 2188572, 2264040, 2303760, 2735715, 2918096, 3282858, 3455640, 3647620, 4377144, 4528080, 5471430, 6565716, 6911280, 7295240, 8207145, 8754288, 10942860, 13131432, 14590480, 16414290, 21885720, 26262864, 32828580, 43771440, 65657160, 131314320]

約数ペア:

[(1, 131314320), (2, 65657160), (3, 43771440), (4, 32828580), (5, 26262864), (6, 21885720), (8, 16414290), (9, 14590480), (10, 13131432), (12, 10942860), (15, 8754288), (16, 8207145), (18, 7295240), (19, 6911280), (20, 6565716), (24, 5471430), (29, 4528080), (30, 4377144), (36, 3647620), (38, 3455640), (40, 3282858), (45, 2918096), (48, 2735715), (57, 2303760), (58, 2264040), (60, 2188572), (72, 1823810), (76, 1727820), (80, 1641429), (87, 1509360), (90, 1459048), (95, 1382256), (114, 1151880), (116, 1132020), (120, 1094286), (144, 911905), (145, 905616), (152, 863910), (171, 767920), (174, 754680), (180, 729524), (190, 691128), (228, 575940), (232, 566010), (240, 547143), (261, 503120), (285, 460752), (290, 452808), (304, 431955), (331, 396720), (342, 383960), (348, 377340), (360, 364762), (380, 345564), (435, 301872), (456, 287970), (464, 283005), (522, 251560), (551, 238320), (570, 230376), (580, 226404), (662, 198360), (684, 191980), (696, 188670), (720, 182381), (760, 172782), (855, 153584), (870, 150936), (912, 143985), (993, 132240), (1044, 125780), (1102, 119160), (1140, 115188), (1160, 113202), (1305, 100624), (1324, 99180), (1368, 95990), (1392, 94335), (1520, 86391), (1653, 79440), (1655, 79344), (1710, 76792), (1740, 75468), (1986, 66120), (2088, 62890), (2204, 59580), (2280, 57594), (2320, 56601), (2610, 50312), (2648, 49590), (2736, 47995), (2755, 47664), (2979, 44080), (3306, 39720), (3310, 39672), (3420, 38396), (3480, 37734), (3972, 33060), (4176, 31445), (4408, 29790), (4560, 28797), (4959, 26480), (4965, 26448), (5220, 25156), (5296, 24795), (5510, 23832), (5958, 22040), (6289, 20880), (6612, 19860), (6620, 19836), (6840, 19198), (6960, 18867), (7944, 16530), (8265, 15888), (8816, 14895), (9599, 13680), (9918, 13240), (9930, 13224), (10440, 12578), (11020, 11916)]