77381280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 288

約数和(自身を含む): 291891600

約数和(自身を除く): 214510320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 29, 30, 32, 34, 36, 40, 45, 48, 51, 58, 60, 68, 72, 80, 85, 87, 90, 96, 102, 109, 116, 120, 136, 144, 145, 153, 160, 170, 174, 180, 204, 218, 232, 240, 255, 261, 272, 288, 290, 306, 327, 340, 348, 360, 408, 435, 436, 464, 480, 493, 510, 522, 544, 545, 580, 612, 654, 680, 696, 720, 765, 816, 870, 872, 928, 981, 986, 1020, 1044, 1090, 1160, 1224, 1305, 1308, 1360, 1392, 1440, 1479, 1530, 1632, 1635, 1740, 1744, 1853, 1962, 1972, 2040, 2088, 2180, 2320, 2448, 2465, 2610, 2616, 2720, 2784, 2958, 3060, 3161, 3270, 3480, 3488, 3706, 3924, 3944, 4080, 4176, 4360, 4437, 4640, 4896, 4905, 4930, 5220, 5232, 5559, 5916, 6120, 6322, 6540, 6960, 7395, 7412, 7848, 7888, 8160, 8352, 8720, 8874, 9265, 9483, 9810, 9860, 10440, 10464, 11118, 11832, 12240, 12644, 13080, 13920, 14790, 14824, 15696, 15776, 15805, 16677, 17440, 17748, 18530, 18966, 19620, 19720, 20880, 22185, 22236, 23664, 24480, 25288, 26160, 27795, 28449, 29580, 29648, 31392, 31610, 33354, 35496, 37060, 37932, 39240, 39440, 41760, 44370, 44472, 47328, 47415, 50576, 52320, 53737, 55590, 56898, 59160, 59296, 63220, 66708, 70992, 74120, 75864, 78480, 78880, 83385, 88740, 88944, 94830, 101152, 107474, 111180, 113796, 118320, 126440, 133416, 141984, 142245, 148240, 151728, 156960, 161211, 166770, 177480, 177888, 189660, 214948, 222360, 227592, 236640, 252880, 266832, 268685, 284490, 296480, 303456, 322422, 333540, 354960, 379320, 429896, 444720, 455184, 483633, 505760, 533664, 537370, 568980, 644844, 667080, 709920, 758640, 806055, 859792, 889440, 910368, 967266, 1074740, 1137960, 1289688, 1334160, 1517280, 1612110, 1719584, 1934532, 2149480, 2275920, 2418165, 2579376, 2668320, 3224220, 3869064, 4298960, 4551840, 4836330, 5158752, 6448440, 7738128, 8597920, 9672660, 12896880, 15476256, 19345320, 25793760, 38690640, 77381280]

約数ペア:

[(1, 77381280), (2, 38690640), (3, 25793760), (4, 19345320), (5, 15476256), (6, 12896880), (8, 9672660), (9, 8597920), (10, 7738128), (12, 6448440), (15, 5158752), (16, 4836330), (17, 4551840), (18, 4298960), (20, 3869064), (24, 3224220), (29, 2668320), (30, 2579376), (32, 2418165), (34, 2275920), (36, 2149480), (40, 1934532), (45, 1719584), (48, 1612110), (51, 1517280), (58, 1334160), (60, 1289688), (68, 1137960), (72, 1074740), (80, 967266), (85, 910368), (87, 889440), (90, 859792), (96, 806055), (102, 758640), (109, 709920), (116, 667080), (120, 644844), (136, 568980), (144, 537370), (145, 533664), (153, 505760), (160, 483633), (170, 455184), (174, 444720), (180, 429896), (204, 379320), (218, 354960), (232, 333540), (240, 322422), (255, 303456), (261, 296480), (272, 284490), (288, 268685), (290, 266832), (306, 252880), (327, 236640), (340, 227592), (348, 222360), (360, 214948), (408, 189660), (435, 177888), (436, 177480), (464, 166770), (480, 161211), (493, 156960), (510, 151728), (522, 148240), (544, 142245), (545, 141984), (580, 133416), (612, 126440), (654, 118320), (680, 113796), (696, 111180), (720, 107474), (765, 101152), (816, 94830), (870, 88944), (872, 88740), (928, 83385), (981, 78880), (986, 78480), (1020, 75864), (1044, 74120), (1090, 70992), (1160, 66708), (1224, 63220), (1305, 59296), (1308, 59160), (1360, 56898), (1392, 55590), (1440, 53737), (1479, 52320), (1530, 50576), (1632, 47415), (1635, 47328), (1740, 44472), (1744, 44370), (1853, 41760), (1962, 39440), (1972, 39240), (2040, 37932), (2088, 37060), (2180, 35496), (2320, 33354), (2448, 31610), (2465, 31392), (2610, 29648), (2616, 29580), (2720, 28449), (2784, 27795), (2958, 26160), (3060, 25288), (3161, 24480), (3270, 23664), (3480, 22236), (3488, 22185), (3706, 20880), (3924, 19720), (3944, 19620), (4080, 18966), (4176, 18530), (4360, 17748), (4437, 17440), (4640, 16677), (4896, 15805), (4905, 15776), (4930, 15696), (5220, 14824), (5232, 14790), (5559, 13920), (5916, 13080), (6120, 12644), (6322, 12240), (6540, 11832), (6960, 11118), (7395, 10464), (7412, 10440), (7848, 9860), (7888, 9810), (8160, 9483), (8352, 9265), (8720, 8874)]