28249920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1$

素因数の和:617

約数の個数: 168

約数和(自身を含む): 103062024

約数和(自身を除く): 74812104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 480, 510, 544, 576, 577, 612, 680, 720, 765, 816, 960, 1020, 1088, 1154, 1224, 1360, 1440, 1530, 1632, 1731, 2040, 2308, 2448, 2720, 2880, 2885, 3060, 3264, 3462, 4080, 4616, 4896, 5193, 5440, 5770, 6120, 6924, 8160, 8655, 9232, 9792, 9809, 10386, 11540, 12240, 13848, 16320, 17310, 18464, 19618, 20772, 23080, 24480, 25965, 27696, 29427, 34620, 36928, 39236, 41544, 46160, 48960, 49045, 51930, 55392, 58854, 69240, 78472, 83088, 88281, 92320, 98090, 103860, 110784, 117708, 138480, 147135, 156944, 166176, 176562, 184640, 196180, 207720, 235416, 276960, 294270, 313888, 332352, 353124, 392360, 415440, 441405, 470832, 553920, 588540, 627776, 706248, 784720, 830880, 882810, 941664, 1177080, 1412496, 1569440, 1661760, 1765620, 1883328, 2354160, 2824992, 3138880, 3531240, 4708320, 5649984, 7062480, 9416640, 14124960, 28249920]

約数ペア:

[(1, 28249920), (2, 14124960), (3, 9416640), (4, 7062480), (5, 5649984), (6, 4708320), (8, 3531240), (9, 3138880), (10, 2824992), (12, 2354160), (15, 1883328), (16, 1765620), (17, 1661760), (18, 1569440), (20, 1412496), (24, 1177080), (30, 941664), (32, 882810), (34, 830880), (36, 784720), (40, 706248), (45, 627776), (48, 588540), (51, 553920), (60, 470832), (64, 441405), (68, 415440), (72, 392360), (80, 353124), (85, 332352), (90, 313888), (96, 294270), (102, 276960), (120, 235416), (136, 207720), (144, 196180), (153, 184640), (160, 176562), (170, 166176), (180, 156944), (192, 147135), (204, 138480), (240, 117708), (255, 110784), (272, 103860), (288, 98090), (306, 92320), (320, 88281), (340, 83088), (360, 78472), (408, 69240), (480, 58854), (510, 55392), (544, 51930), (576, 49045), (577, 48960), (612, 46160), (680, 41544), (720, 39236), (765, 36928), (816, 34620), (960, 29427), (1020, 27696), (1088, 25965), (1154, 24480), (1224, 23080), (1360, 20772), (1440, 19618), (1530, 18464), (1632, 17310), (1731, 16320), (2040, 13848), (2308, 12240), (2448, 11540), (2720, 10386), (2880, 9809), (2885, 9792), (3060, 9232), (3264, 8655), (3462, 8160), (4080, 6924), (4616, 6120), (4896, 5770), (5193, 5440)]