218155980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17911}}^1$

素因数の和:17959

約数の個数: 96

約数和(自身を含む): 722211840

約数和(自身を除く): 504055860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090, 12180, 17911, 35822, 53733, 71644, 89555, 107466, 125377, 179110, 214932, 250754, 268665, 358220, 376131, 501508, 519419, 537330, 626885, 752262, 1038838, 1074660, 1253770, 1504524, 1558257, 1880655, 2077676, 2507540, 2597095, 3116514, 3635933, 3761310, 5194190, 6233028, 7271866, 7522620, 7791285, 10388380, 10907799, 14543732, 15582570, 18179665, 21815598, 31165140, 36359330, 43631196, 54538995, 72718660, 109077990, 218155980]

約数ペア:

[(1, 218155980), (2, 109077990), (3, 72718660), (4, 54538995), (5, 43631196), (6, 36359330), (7, 31165140), (10, 21815598), (12, 18179665), (14, 15582570), (15, 14543732), (20, 10907799), (21, 10388380), (28, 7791285), (29, 7522620), (30, 7271866), (35, 6233028), (42, 5194190), (58, 3761310), (60, 3635933), (70, 3116514), (84, 2597095), (87, 2507540), (105, 2077676), (116, 1880655), (140, 1558257), (145, 1504524), (174, 1253770), (203, 1074660), (210, 1038838), (290, 752262), (348, 626885), (406, 537330), (420, 519419), (435, 501508), (580, 376131), (609, 358220), (812, 268665), (870, 250754), (1015, 214932), (1218, 179110), (1740, 125377), (2030, 107466), (2436, 89555), (3045, 71644), (4060, 53733), (6090, 35822), (12180, 17911)]