18601800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 68090880

約数和(自身を除く): 49489080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 43, 50, 56, 60, 70, 75, 84, 86, 100, 103, 105, 120, 129, 140, 150, 168, 172, 175, 200, 206, 210, 215, 258, 280, 300, 301, 309, 344, 350, 412, 420, 430, 515, 516, 525, 600, 602, 618, 645, 700, 721, 824, 840, 860, 903, 1030, 1032, 1050, 1075, 1204, 1236, 1290, 1400, 1442, 1505, 1545, 1720, 1806, 2060, 2100, 2150, 2163, 2408, 2472, 2575, 2580, 2884, 3010, 3090, 3225, 3605, 3612, 4120, 4200, 4300, 4326, 4429, 4515, 5150, 5160, 5768, 6020, 6180, 6450, 7210, 7224, 7525, 7725, 8600, 8652, 8858, 9030, 10300, 10815, 12040, 12360, 12900, 13287, 14420, 15050, 15450, 17304, 17716, 18025, 18060, 20600, 21630, 22145, 22575, 25800, 26574, 28840, 30100, 30900, 31003, 35432, 36050, 36120, 43260, 44290, 45150, 53148, 54075, 60200, 61800, 62006, 66435, 72100, 86520, 88580, 90300, 93009, 106296, 108150, 110725, 124012, 132870, 144200, 155015, 177160, 180600, 186018, 216300, 221450, 248024, 265740, 310030, 332175, 372036, 432600, 442900, 465045, 531480, 620060, 664350, 744072, 775075, 885800, 930090, 1240120, 1328700, 1550150, 1860180, 2325225, 2657400, 3100300, 3720360, 4650450, 6200600, 9300900, 18601800]

約数ペア:

[(1, 18601800), (2, 9300900), (3, 6200600), (4, 4650450), (5, 3720360), (6, 3100300), (7, 2657400), (8, 2325225), (10, 1860180), (12, 1550150), (14, 1328700), (15, 1240120), (20, 930090), (21, 885800), (24, 775075), (25, 744072), (28, 664350), (30, 620060), (35, 531480), (40, 465045), (42, 442900), (43, 432600), (50, 372036), (56, 332175), (60, 310030), (70, 265740), (75, 248024), (84, 221450), (86, 216300), (100, 186018), (103, 180600), (105, 177160), (120, 155015), (129, 144200), (140, 132870), (150, 124012), (168, 110725), (172, 108150), (175, 106296), (200, 93009), (206, 90300), (210, 88580), (215, 86520), (258, 72100), (280, 66435), (300, 62006), (301, 61800), (309, 60200), (344, 54075), (350, 53148), (412, 45150), (420, 44290), (430, 43260), (515, 36120), (516, 36050), (525, 35432), (600, 31003), (602, 30900), (618, 30100), (645, 28840), (700, 26574), (721, 25800), (824, 22575), (840, 22145), (860, 21630), (903, 20600), (1030, 18060), (1032, 18025), (1050, 17716), (1075, 17304), (1204, 15450), (1236, 15050), (1290, 14420), (1400, 13287), (1442, 12900), (1505, 12360), (1545, 12040), (1720, 10815), (1806, 10300), (2060, 9030), (2100, 8858), (2150, 8652), (2163, 8600), (2408, 7725), (2472, 7525), (2575, 7224), (2580, 7210), (2884, 6450), (3010, 6180), (3090, 6020), (3225, 5768), (3605, 5160), (3612, 5150), (4120, 4515), (4200, 4429), (4300, 4326)]