18818100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 216

約数和(自身を含む): 70412160

約数和(自身を除く): 51594060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 29, 30, 35, 36, 42, 45, 50, 58, 60, 63, 70, 75, 84, 87, 90, 100, 103, 105, 116, 126, 140, 145, 150, 174, 175, 180, 203, 206, 210, 225, 252, 261, 290, 300, 309, 315, 348, 350, 406, 412, 420, 435, 450, 515, 522, 525, 580, 609, 618, 630, 700, 721, 725, 812, 870, 900, 927, 1015, 1030, 1044, 1050, 1218, 1236, 1260, 1305, 1442, 1450, 1545, 1575, 1740, 1827, 1854, 2030, 2060, 2100, 2163, 2175, 2436, 2575, 2610, 2884, 2900, 2987, 3045, 3090, 3150, 3605, 3654, 3708, 4060, 4326, 4350, 4635, 5075, 5150, 5220, 5974, 6090, 6180, 6300, 6489, 6525, 7210, 7308, 7725, 8652, 8700, 8961, 9135, 9270, 10150, 10300, 10815, 11948, 12180, 12978, 13050, 14420, 14935, 15225, 15450, 17922, 18025, 18270, 18540, 20300, 20909, 21630, 23175, 25956, 26100, 26883, 29870, 30450, 30900, 32445, 35844, 36050, 36540, 41818, 43260, 44805, 45675, 46350, 53766, 54075, 59740, 60900, 62727, 64890, 72100, 74675, 83636, 89610, 91350, 92700, 104545, 107532, 108150, 125454, 129780, 134415, 149350, 162225, 179220, 182700, 188181, 209090, 216300, 224025, 250908, 268830, 298700, 313635, 324450, 376362, 418180, 448050, 522725, 537660, 627270, 648900, 672075, 752724, 896100, 940905, 1045450, 1254540, 1344150, 1568175, 1881810, 2090900, 2688300, 3136350, 3763620, 4704525, 6272700, 9409050, 18818100]

約数ペア:

[(1, 18818100), (2, 9409050), (3, 6272700), (4, 4704525), (5, 3763620), (6, 3136350), (7, 2688300), (9, 2090900), (10, 1881810), (12, 1568175), (14, 1344150), (15, 1254540), (18, 1045450), (20, 940905), (21, 896100), (25, 752724), (28, 672075), (29, 648900), (30, 627270), (35, 537660), (36, 522725), (42, 448050), (45, 418180), (50, 376362), (58, 324450), (60, 313635), (63, 298700), (70, 268830), (75, 250908), (84, 224025), (87, 216300), (90, 209090), (100, 188181), (103, 182700), (105, 179220), (116, 162225), (126, 149350), (140, 134415), (145, 129780), (150, 125454), (174, 108150), (175, 107532), (180, 104545), (203, 92700), (206, 91350), (210, 89610), (225, 83636), (252, 74675), (261, 72100), (290, 64890), (300, 62727), (309, 60900), (315, 59740), (348, 54075), (350, 53766), (406, 46350), (412, 45675), (420, 44805), (435, 43260), (450, 41818), (515, 36540), (522, 36050), (525, 35844), (580, 32445), (609, 30900), (618, 30450), (630, 29870), (700, 26883), (721, 26100), (725, 25956), (812, 23175), (870, 21630), (900, 20909), (927, 20300), (1015, 18540), (1030, 18270), (1044, 18025), (1050, 17922), (1218, 15450), (1236, 15225), (1260, 14935), (1305, 14420), (1442, 13050), (1450, 12978), (1545, 12180), (1575, 11948), (1740, 10815), (1827, 10300), (1854, 10150), (2030, 9270), (2060, 9135), (2100, 8961), (2163, 8700), (2175, 8652), (2436, 7725), (2575, 7308), (2610, 7210), (2884, 6525), (2900, 6489), (2987, 6300), (3045, 6180), (3090, 6090), (3150, 5974), (3605, 5220), (3654, 5150), (3708, 5075), (4060, 4635), (4326, 4350)]