28969920

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{479}}^1$

素因数の和:512

約数の個数: 224

約数和(自身を含む): 117043200

約数和(自身を除く): 88073280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 479, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 958, 960, 1008, 1080, 1120, 1260, 1344, 1437, 1440, 1512, 1680, 1728, 1890, 1916, 2016, 2160, 2240, 2395, 2520, 2874, 2880, 3024, 3353, 3360, 3780, 3832, 4032, 4311, 4320, 4790, 5040, 5748, 6048, 6706, 6720, 7185, 7560, 7664, 8622, 8640, 9580, 10059, 10080, 11496, 12096, 12933, 13412, 14370, 15120, 15328, 16765, 17244, 19160, 20118, 20160, 21555, 22992, 25866, 26824, 28740, 30177, 30240, 30656, 33530, 34488, 38320, 40236, 43110, 45984, 50295, 51732, 53648, 57480, 60354, 60480, 64665, 67060, 68976, 76640, 80472, 86220, 90531, 91968, 100590, 103464, 107296, 114960, 120708, 129330, 134120, 137952, 150885, 153280, 160944, 172440, 181062, 201180, 206928, 214592, 229920, 241416, 258660, 268240, 275904, 301770, 321888, 344880, 362124, 402360, 413856, 452655, 459840, 482832, 517320, 536480, 603540, 643776, 689760, 724248, 804720, 827712, 905310, 965664, 1034640, 1072960, 1207080, 1379520, 1448496, 1609440, 1810620, 1931328, 2069280, 2414160, 2896992, 3218880, 3621240, 4138560, 4828320, 5793984, 7242480, 9656640, 14484960, 28969920]

約数ペア:

[(1, 28969920), (2, 14484960), (3, 9656640), (4, 7242480), (5, 5793984), (6, 4828320), (7, 4138560), (8, 3621240), (9, 3218880), (10, 2896992), (12, 2414160), (14, 2069280), (15, 1931328), (16, 1810620), (18, 1609440), (20, 1448496), (21, 1379520), (24, 1207080), (27, 1072960), (28, 1034640), (30, 965664), (32, 905310), (35, 827712), (36, 804720), (40, 724248), (42, 689760), (45, 643776), (48, 603540), (54, 536480), (56, 517320), (60, 482832), (63, 459840), (64, 452655), (70, 413856), (72, 402360), (80, 362124), (84, 344880), (90, 321888), (96, 301770), (105, 275904), (108, 268240), (112, 258660), (120, 241416), (126, 229920), (135, 214592), (140, 206928), (144, 201180), (160, 181062), (168, 172440), (180, 160944), (189, 153280), (192, 150885), (210, 137952), (216, 134120), (224, 129330), (240, 120708), (252, 114960), (270, 107296), (280, 103464), (288, 100590), (315, 91968), (320, 90531), (336, 86220), (360, 80472), (378, 76640), (420, 68976), (432, 67060), (448, 64665), (479, 60480), (480, 60354), (504, 57480), (540, 53648), (560, 51732), (576, 50295), (630, 45984), (672, 43110), (720, 40236), (756, 38320), (840, 34488), (864, 33530), (945, 30656), (958, 30240), (960, 30177), (1008, 28740), (1080, 26824), (1120, 25866), (1260, 22992), (1344, 21555), (1437, 20160), (1440, 20118), (1512, 19160), (1680, 17244), (1728, 16765), (1890, 15328), (1916, 15120), (2016, 14370), (2160, 13412), (2240, 12933), (2395, 12096), (2520, 11496), (2874, 10080), (2880, 10059), (3024, 9580), (3353, 8640), (3360, 8622), (3780, 7664), (3832, 7560), (4032, 7185), (4311, 6720), (4320, 6706), (4790, 6048), (5040, 5748)]