87263120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:337

約数の個数: 120

約数和(自身を含む): 239308344

約数和(自身を除く): 152045224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 113, 140, 196, 197, 226, 245, 280, 392, 394, 452, 490, 560, 565, 784, 788, 791, 904, 980, 985, 1130, 1379, 1576, 1582, 1808, 1960, 1970, 2260, 2758, 3152, 3164, 3920, 3940, 3955, 4520, 5516, 5537, 6328, 6895, 7880, 7910, 9040, 9653, 11032, 11074, 12656, 13790, 15760, 15820, 19306, 22064, 22148, 22261, 27580, 27685, 31640, 38612, 44296, 44522, 48265, 55160, 55370, 63280, 77224, 88592, 89044, 96530, 110320, 110740, 111305, 154448, 155827, 178088, 193060, 221480, 222610, 311654, 356176, 386120, 442960, 445220, 623308, 772240, 779135, 890440, 1090789, 1246616, 1558270, 1780880, 2181578, 2493232, 3116540, 4363156, 5453945, 6233080, 8726312, 10907890, 12466160, 17452624, 21815780, 43631560, 87263120]

約数ペア:

[(1, 87263120), (2, 43631560), (4, 21815780), (5, 17452624), (7, 12466160), (8, 10907890), (10, 8726312), (14, 6233080), (16, 5453945), (20, 4363156), (28, 3116540), (35, 2493232), (40, 2181578), (49, 1780880), (56, 1558270), (70, 1246616), (80, 1090789), (98, 890440), (112, 779135), (113, 772240), (140, 623308), (196, 445220), (197, 442960), (226, 386120), (245, 356176), (280, 311654), (392, 222610), (394, 221480), (452, 193060), (490, 178088), (560, 155827), (565, 154448), (784, 111305), (788, 110740), (791, 110320), (904, 96530), (980, 89044), (985, 88592), (1130, 77224), (1379, 63280), (1576, 55370), (1582, 55160), (1808, 48265), (1960, 44522), (1970, 44296), (2260, 38612), (2758, 31640), (3152, 27685), (3164, 27580), (3920, 22261), (3940, 22148), (3955, 22064), (4520, 19306), (5516, 15820), (5537, 15760), (6328, 13790), (6895, 12656), (7880, 11074), (7910, 11032), (9040, 9653)]