168238280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20719}}^1$

素因数の和:20766

約数の個数: 64

約数和(自身を含む): 447552000

約数和(自身を除く): 279313720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 20719, 41438, 82876, 103595, 145033, 165752, 207190, 290066, 414380, 580132, 600851, 725165, 828760, 1160264, 1201702, 1450330, 2403404, 2900660, 3004255, 4205957, 4806808, 5801320, 6008510, 8411914, 12017020, 16823828, 21029785, 24034040, 33647656, 42059570, 84119140, 168238280]

約数ペア:

[(1, 168238280), (2, 84119140), (4, 42059570), (5, 33647656), (7, 24034040), (8, 21029785), (10, 16823828), (14, 12017020), (20, 8411914), (28, 6008510), (29, 5801320), (35, 4806808), (40, 4205957), (56, 3004255), (58, 2900660), (70, 2403404), (116, 1450330), (140, 1201702), (145, 1160264), (203, 828760), (232, 725165), (280, 600851), (290, 580132), (406, 414380), (580, 290066), (812, 207190), (1015, 165752), (1160, 145033), (1624, 103595), (2030, 82876), (4060, 41438), (8120, 20719)]