128746440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:336

約数の個数: 192

約数和(自身を含む): 449420400

約数和(自身を除く): 320673960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 109, 120, 136, 153, 170, 180, 193, 204, 218, 255, 306, 327, 340, 360, 386, 408, 436, 510, 545, 579, 612, 654, 680, 765, 772, 872, 965, 981, 1020, 1090, 1158, 1224, 1308, 1530, 1544, 1635, 1737, 1853, 1930, 1962, 2040, 2180, 2316, 2616, 2895, 3060, 3270, 3281, 3474, 3706, 3860, 3924, 4360, 4632, 4905, 5559, 5790, 6120, 6540, 6562, 6948, 7412, 7720, 7848, 8685, 9265, 9810, 9843, 11118, 11580, 13080, 13124, 13896, 14824, 16405, 16677, 17370, 18530, 19620, 19686, 21037, 22236, 23160, 26248, 27795, 29529, 32810, 33354, 34740, 37060, 39240, 39372, 42074, 44472, 49215, 55590, 59058, 63111, 65620, 66708, 69480, 74120, 78744, 83385, 84148, 98430, 105185, 111180, 118116, 126222, 131240, 133416, 147645, 166770, 168296, 189333, 196860, 210370, 222360, 236232, 252444, 295290, 315555, 333540, 357629, 378666, 393720, 420740, 504888, 590580, 631110, 667080, 715258, 757332, 841480, 946665, 1072887, 1181160, 1262220, 1430516, 1514664, 1788145, 1893330, 2145774, 2524440, 2861032, 3218661, 3576290, 3786660, 4291548, 5364435, 6437322, 7152580, 7573320, 8583096, 10728870, 12874644, 14305160, 16093305, 21457740, 25749288, 32186610, 42915480, 64373220, 128746440]

約数ペア:

[(1, 128746440), (2, 64373220), (3, 42915480), (4, 32186610), (5, 25749288), (6, 21457740), (8, 16093305), (9, 14305160), (10, 12874644), (12, 10728870), (15, 8583096), (17, 7573320), (18, 7152580), (20, 6437322), (24, 5364435), (30, 4291548), (34, 3786660), (36, 3576290), (40, 3218661), (45, 2861032), (51, 2524440), (60, 2145774), (68, 1893330), (72, 1788145), (85, 1514664), (90, 1430516), (102, 1262220), (109, 1181160), (120, 1072887), (136, 946665), (153, 841480), (170, 757332), (180, 715258), (193, 667080), (204, 631110), (218, 590580), (255, 504888), (306, 420740), (327, 393720), (340, 378666), (360, 357629), (386, 333540), (408, 315555), (436, 295290), (510, 252444), (545, 236232), (579, 222360), (612, 210370), (654, 196860), (680, 189333), (765, 168296), (772, 166770), (872, 147645), (965, 133416), (981, 131240), (1020, 126222), (1090, 118116), (1158, 111180), (1224, 105185), (1308, 98430), (1530, 84148), (1544, 83385), (1635, 78744), (1737, 74120), (1853, 69480), (1930, 66708), (1962, 65620), (2040, 63111), (2180, 59058), (2316, 55590), (2616, 49215), (2895, 44472), (3060, 42074), (3270, 39372), (3281, 39240), (3474, 37060), (3706, 34740), (3860, 33354), (3924, 32810), (4360, 29529), (4632, 27795), (4905, 26248), (5559, 23160), (5790, 22236), (6120, 21037), (6540, 19686), (6562, 19620), (6948, 18530), (7412, 17370), (7720, 16677), (7848, 16405), (8685, 14824), (9265, 13896), (9810, 13124), (9843, 13080), (11118, 11580)]